20139892675 has 48 divisors (see below), whose sum is σ = 29557161792. Its totient is φ = 13327142400.

The previous prime is 20139892649. The next prime is 20139892679. The reversal of 20139892675 is 57629893102.

It is not a de Polignac number, because 20139892675 - 2¹⁵ = 20139859907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20139892679) 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 47 ways as a sum of consecutive naturals, for example, 547977 + ... + 583573.

It is an arithmetic number, because the mean of its divisors is an integer number (615774204).

Almost surely, 2^20139892675 is an apocalyptic number.

20139892675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20139892675 is a deficient number, since it is larger than the sum of its proper divisors (9417269117).

20139892675 is a wasteful number, since it uses less digits than its factorization.

20139892675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35728 (or 35723 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 20139892675 in words is "twenty billion, one hundred thirty-nine million, eight hundred ninety-two thousand, six hundred seventy-five".