15252155020 has 48 divisors (see below), whose sum is σ = 33150720960. Its totient is φ = 5887513856.

The previous prime is 15252154993. The next prime is 15252155027. The reversal of 15252155020 is 2055125251.

It is a super-2 number, since 2×15252155020² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15252155020.

It is not an unprimeable number, because it can be changed into a prime (15252155027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1399914 + ... + 1410766.

It is an arithmetic number, because the mean of its divisors is an integer number (690640020).

Almost surely, 2^15252155020 is an apocalyptic number.

15252155020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15252155020 is an abundant number, since it is smaller than the sum of its proper divisors (17898565940).

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

15252155020 is a wasteful number, since it uses less digits than its factorization.

15252155020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13314 (or 13312 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 15252155020 in words is "fifteen billion, two hundred fifty-two million, one hundred fifty-five thousand, twenty".