20104764400 has 120 divisors (see below), whose sum is σ = 58449250080. Its totient is φ = 6487572480.

The previous prime is 20104764341. The next prime is 20104764401. The reversal of 20104764400 is 446740102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104764401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163585 + ... + 258784.

It is an arithmetic number, because the mean of its divisors is an integer number (487077084).

Almost surely, 2^20104764400 is an apocalyptic number.

20104764400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20104764400 is an abundant number, since it is smaller than the sum of its proper divisors (38344485680).

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

20104764400 is a wasteful number, since it uses less digits than its factorization.

20104764400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422411 (or 422400 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The spelling of 20104764400 in words is "twenty billion, one hundred four million, seven hundred sixty-four thousand, four hundred".