20387339675 has 12 divisors (see below), whose sum is σ = 26767378296. Its totient is φ = 15350467200.

The previous prime is 20387339669. The next prime is 20387339741. The reversal of 20387339675 is 57693378302.

It is not a de Polignac number, because 20387339675 - 2¹⁴ = 20387323291 is a prime.

It is a Duffinian 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, 23984681 + ... + 23985530.

It is an arithmetic number, because the mean of its divisors is an integer number (2230614858).

Almost surely, 2^20387339675 is an apocalyptic number.

20387339675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20387339675 is a deficient number, since it is larger than the sum of its proper divisors (6380038621).

20387339675 is a wasteful number, since it uses less digits than its factorization.

20387339675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47970238 (or 47970233 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 20387339675 in words is "twenty billion, three hundred eighty-seven million, three hundred thirty-nine thousand, six hundred seventy-five".