20152053012 has 72 divisors (see below), whose sum is σ = 58906023456. Its totient is φ = 5314825152.

The previous prime is 20152053007. The next prime is 20152053013. The reversal of 20152053012 is 21035025102.

It is a super-2 number, since 2×20152053012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20152053012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152053013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1310518 + ... + 1325805.

Almost surely, 2^20152053012 is an apocalyptic number.

It is an amenable number.

20152053012 is an abundant number, since it is smaller than the sum of its proper divisors (38753970444).

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

20152053012 is a wasteful number, since it uses less digits than its factorization.

20152053012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636357 (or 2636348 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 20152053012 its reverse (21035025102), we get a palindrome (41187078114).

The spelling of 20152053012 in words is "twenty billion, one hundred fifty-two million, fifty-three thousand, twelve".