20339675 has 12 divisors (see below), whose sum is σ = 25287816. Its totient is φ = 16228800.

The previous prime is 20339663. The next prime is 20339681. The reversal of 20339675 is 57693302.

It is not a de Polignac number, because 20339675 - 2⁶ = 20339611 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, 11447 + ... + 13103.

It is an arithmetic number, because the mean of its divisors is an integer number (2107318).

Almost surely, 2^20339675 is an apocalyptic number.

20339675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20339675 is a deficient number, since it is larger than the sum of its proper divisors (4948141).

20339675 is a wasteful number, since it uses less digits than its factorization.

20339675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2153 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 20339675 is about 4509.9528822372. The cubic root of 20339675 is about 272.9698428584.

The spelling of 20339675 in words is "twenty million, three hundred thirty-nine thousand, six hundred seventy-five".