20204325600 has 72 divisors (see below), whose sum is σ = 65765087640. Its totient is φ = 5387819520.

The previous prime is 20204325599. The next prime is 20204325629. The reversal of 20204325600 is 652340202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4206835 + ... + 4211634.

It is an arithmetic number, because the mean of its divisors is an integer number (913403995).

Almost surely, 2^20204325600 is an apocalyptic number.

20204325600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20204325600 is an abundant number, since it is smaller than the sum of its proper divisors (45560762040).

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

20204325600 is a wasteful number, since it uses less digits than its factorization.

20204325600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418492 (or 8418479 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20204325600 its reverse (652340202), we get a palindrome (20856665802).

The spelling of 20204325600 in words is "twenty billion, two hundred four million, three hundred twenty-five thousand, six hundred".