20152503102 has 32 divisors (see below), whose sum is σ = 43572988800. Its totient is φ = 6191948448.

The previous prime is 20152503089. The next prime is 20152503149. The reversal of 20152503102 is 20130525102.

It is a super-2 number, since 2×20152503102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2384652 + ... + 2393087.

It is an arithmetic number, because the mean of its divisors is an integer number (1361655900).

Almost surely, 2^20152503102 is an apocalyptic number.

20152503102 is an abundant number, since it is smaller than the sum of its proper divisors (23420485698).

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

20152503102 is a wasteful number, since it uses less digits than its factorization.

20152503102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777800.

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

The spelling of 20152503102 in words is "twenty billion, one hundred fifty-two million, five hundred three thousand, one hundred two".