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22202220202020 = 223251737832698783
BaseRepresentation
bin1010000110001010110110…
…11100101100100000100100
32220121111210220021222201200
411003011123130230200210
510402230121332431040
6115115320435522500
74451025466623105
oct503053334544044
986544726258650
1022202220202020
11708a9aa547721
1225a6b32759430
13c50877b1cc81
1456a843a083ac
152877e6195630
hex14315b72c824

22202220202020 has 576 divisors, whose sum is σ = 74401916359680. Its totient is φ = 5335876878336.

The previous prime is 22202220202013. The next prime is 22202220202033. The reversal of 22202220202020 is 2020202220222.

22202220202020 is a `hidden beast` number, since 2 + 220 + 2 + 220 + 20 + 202 + 0 = 666.

It is a super-2 number, since 2×222022202020202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22202220201984 and 22202220202002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2527858549 + ... + 2527867331.

It is an arithmetic number, because the mean of its divisors is an integer number (129169993680).

Almost surely, 222202220202020 is an apocalyptic number.

22202220202020 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 22202220202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37200958179840).

22202220202020 is an abundant number, since it is smaller than the sum of its proper divisors (52199696157660).

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

22202220202020 is a wasteful number, since it uses less digits than its factorization.

22202220202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204 (or 9199 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22202220202020 its reverse (2020202220222), we get a palindrome (24222422422242).

The spelling of 22202220202020 in words is "twenty-two trillion, two hundred two billion, two hundred twenty million, two hundred two thousand, twenty".