20912362104 has 64 divisors (see below), whose sum is σ = 52486963200. Its totient is φ = 6943374464.

The previous prime is 20912362067. The next prime is 20912362117. The reversal of 20912362104 is 40126321902.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7781449 + ... + 7784135.

It is an arithmetic number, because the mean of its divisors is an integer number (820108800).

Almost surely, 2^20912362104 is an apocalyptic number.

20912362104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20912362104 is an abundant number, since it is smaller than the sum of its proper divisors (31574601096).

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

20912362104 is a wasteful number, since it uses less digits than its factorization.

20912362104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852 (or 3848 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 20912362104 in words is "twenty billion, nine hundred twelve million, three hundred sixty-two thousand, one hundred four".