15032304020 has 24 divisors (see below), whose sum is σ = 31615768800. Its totient is φ = 6003792032.

The previous prime is 15032304011. The next prime is 15032304059. The reversal of 15032304020 is 2040323051.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 15032303983 and 15032304001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557090 + ... + 583449.

It is an arithmetic number, because the mean of its divisors is an integer number (1317323700).

Almost surely, 2^15032304020 is an apocalyptic number.

15032304020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15032304020 is an abundant number, since it is smaller than the sum of its proper divisors (16583464780).

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

15032304020 is a wasteful number, since it uses less digits than its factorization.

15032304020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141207 (or 1141205 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 15032304020 its reverse (2040323051), we get a palindrome (17072627071).

The spelling of 15032304020 in words is "fifteen billion, thirty-two million, three hundred four thousand, twenty".