15030620620020 has 72 divisors (see below), whose sum is σ = 45610359205320. Its totient is φ = 4006629089280.

The previous prime is 15030620619967. The next prime is 15030620620031. The reversal of 15030620620020 is 2002602603051.

15030620620020 is a `hidden beast` number, since 1 + 5 + 0 + 30 + 6 + 2 + 0 + 620 + 0 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5881653244944 + 9148967375076 = 2425212^2 + 3024726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15533341 + ... + 16472580.

It is an arithmetic number, because the mean of its divisors is an integer number (633477211185).

Almost surely, 2^{15030620620020} is an apocalyptic number.

15030620620020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15030620620020 is an abundant number, since it is smaller than the sum of its proper divisors (30579738585300).

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

15030620620020 is a wasteful number, since it uses less digits than its factorization.

15030620620020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32008545 (or 32008540 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 15030620620020 in words is "fifteen trillion, thirty billion, six hundred twenty million, six hundred twenty thousand, twenty".