20384736276 has 12 divisors (see below), whose sum is σ = 47564384672. Its totient is φ = 6794912088.

The previous prime is 20384736257. The next prime is 20384736277. The reversal of 20384736276 is 67263748302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20384736277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849364000 + ... + 849364023.

Almost surely, 2^20384736276 is an apocalyptic number.

It is an amenable number.

20384736276 is an abundant number, since it is smaller than the sum of its proper divisors (27179648396).

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

20384736276 is a wasteful number, since it uses less digits than its factorization.

20384736276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698728030 (or 1698728028 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 20384736276 in words is "twenty billion, three hundred eighty-four million, seven hundred thirty-six thousand, two hundred seventy-six".