20152202512 has 20 divisors (see below), whose sum is σ = 42048346060. Its totient is φ = 9301016448.

The previous prime is 20152202489. The next prime is 20152202513. The reversal of 20152202512 is 21520225102.

It can be written as a sum of positive squares in 2 ways, for example, as 5395783936 + 14756418576 = 73456^2 + 121476^2 .

It is a super-2 number, since 2×20152202512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20152202513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48442587 + ... + 48443002.

It is an arithmetic number, because the mean of its divisors is an integer number (2102417303).

Almost surely, 2^20152202512 is an apocalyptic number.

It is an amenable number.

20152202512 is an abundant number, since it is smaller than the sum of its proper divisors (21896143548).

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

20152202512 is a wasteful number, since it uses less digits than its factorization.

20152202512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96885610 (or 96885604 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 20152202512 its reverse (21520225102), we get a palindrome (41672427614).

The spelling of 20152202512 in words is "twenty billion, one hundred fifty-two million, two hundred two thousand, five hundred twelve".