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20222311020 = 22352391410203
BaseRepresentation
bin10010110101010101…
…111111101001101100
31221012022211211122020
4102311111333221230
5312403402423040
613142350150140
71314061543662
oct226525775154
957168754566
1020222311020
118637a7063a
123b044b2350
131ba3774212
14d9ba34c32
157d5530cd0
hex4b557fa6c

20222311020 has 48 divisors (see below), whose sum is σ = 56859425280. Its totient is φ = 5370049216.

The previous prime is 20222311009. The next prime is 20222311037. The reversal of 20222311020 is 2011322202.

It is a happy number.

It is a super-2 number, since 2×202223110202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690762 + ... + 719441.

It is an arithmetic number, because the mean of its divisors is an integer number (1184571360).

Almost surely, 220222311020 is an apocalyptic number.

20222311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222311020 is an abundant number, since it is smaller than the sum of its proper divisors (36637114260).

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

20222311020 is a wasteful number, since it uses less digits than its factorization.

20222311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410454 (or 1410452 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20222311020 its reverse (2011322202), we get a palindrome (22233633222).

The spelling of 20222311020 in words is "twenty billion, two hundred twenty-two million, three hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 239 478 717 956 1195 1434 2390 2868 3585 4780 7170 14340 1410203 2820406 4230609 5640812 7051015 8461218 14102030 16922436 21153045 28204060 42306090 84612180 337038517 674077034 1011115551 1348154068 1685192585 2022231102 3370385170 4044462204 5055577755 6740770340 10111155510 20222311020