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20220444242020 = 22511191528191121
BaseRepresentation
bin1001001100011111100000…
…11001010111000001100100
32122121001111112012021220001
410212033300121113001210
510122242432211221040
6111001051023151044
74154610313121011
oct446176031270144
978531445167801
1020220444242020
1164964956a0920
122326a35a45484
13b38a1a03c729
144dc963624708
15250ea807859a
hex1263f0657064

20220444242020 has 96 divisors (see below), whose sum is σ = 46575058102272. Its totient is φ = 7312926720000.

The previous prime is 20220444242017. The next prime is 20220444242041. The reversal of 20220444242020 is 2024244402202.

It is a self number, because there is not a number n which added to its sum of digits gives 20220444242020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221862060 + ... + 221953180.

It is an arithmetic number, because the mean of its divisors is an integer number (485156855232).

Almost surely, 220220444242020 is an apocalyptic number.

20220444242020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220444242020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23287529051136).

20220444242020 is an abundant number, since it is smaller than the sum of its proper divisors (26354613860252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220444242020 is a wasteful number, since it uses less digits than its factorization.

20220444242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96613 (or 96611 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20220444242020 its reverse (2024244402202), we get a palindrome (22244688644222).

The spelling of 20220444242020 in words is "twenty trillion, two hundred twenty billion, four hundred forty-four million, two hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 191 220 382 764 955 1910 2101 3820 4202 5281 8404 10505 10562 21010 21124 26405 42020 52810 58091 91121 105620 116182 182242 232364 290455 364484 455605 580910 911210 1002331 1008671 1161820 1822420 2004662 2017342 4009324 4034684 5011655 5043355 10023310 10086710 11095381 17404111 20046620 20173420 22190762 34808222 44381524 55476905 69616444 87020555 110953810 174041110 191445221 221907620 348082220 382890442 481210001 765780884 957226105 962420002 1914452210 1924840004 2406050005 3828904420 4812100010 5293310011 9624200020 10586620022 21173240044 26466550055 52933100110 91911110191 105866200220 183822220382 367644440764 459555550955 919111101910 1011022212101 1838222203820 2022044424202 4044088848404 5055111060505 10110222121010 20220444242020