20432327520 has 96 divisors (see below), whose sum is σ = 70212925440. Its totient is φ = 4953290240.

The previous prime is 20432327497. The next prime is 20432327533. The reversal of 20432327520 is 2572323402.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1929600 + ... + 1940159.

It is an arithmetic number, because the mean of its divisors is an integer number (731384640).

Almost surely, 2^20432327520 is an apocalyptic number.

20432327520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20432327520 is an abundant number, since it is smaller than the sum of its proper divisors (49780597920).

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

20432327520 is a wasteful number, since it uses less digits than its factorization.

20432327520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869788 (or 3869780 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The spelling of 20432327520 in words is "twenty billion, four hundred thirty-two million, three hundred twenty-seven thousand, five hundred twenty".