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22202020204 = 2271370986029
BaseRepresentation
bin10100101011010101…
…111111000101101100
32010022022000111002121
4110223111333011230
5330432204121304
614111030202324
71414121025610
oct245325770554
963268014077
1022202020204
119463509431
1243774b33a4
13212a965980
14110892b340
1589e236554
hex52b57f16c

22202020204 has 48 divisors (see below), whose sum is σ = 47887739200. Its totient is φ = 8770726656.

The previous prime is 22202020171. The next prime is 22202020229. The reversal of 22202020204 is 40202020222.

It is a super-2 number, since 2×222020202042 (a number of 21 digits) contains 22 as substring.

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, 215062 + ... + 301090.

Almost surely, 222202020204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22202020204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23943869600).

22202020204 is an abundant number, since it is smaller than the sum of its proper divisors (25685718996).

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

22202020204 is a wasteful number, since it uses less digits than its factorization.

22202020204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86762 (or 86760 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22202020204 its reverse (40202020222), we get a palindrome (62404040426).

The spelling of 22202020204 in words is "twenty-two billion, two hundred two million, twenty thousand, two hundred four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 709 1418 2836 4963 9217 9926 18434 19852 36868 64519 86029 129038 172058 258076 344116 602203 1118377 1204406 2236754 2408812 4473508 7828639 15657278 31314556 60994561 121989122 243978244 426961927 792929293 853923854 1585858586 1707847708 3171717172 5550505051 11101010102 22202020204