20710675 has 12 divisors (see below), whose sum is σ = 27192456. Its totient is φ = 15593600.

The previous prime is 20710673. The next prime is 20710687. The reversal of 20710675 is 57601702.

It is not a de Polignac number, because 20710675 - 2¹ = 20710673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20710673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23941 + ... + 24790.

It is an arithmetic number, because the mean of its divisors is an integer number (2266038).

Almost surely, 2^20710675 is an apocalyptic number.

20710675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20710675 is a deficient number, since it is larger than the sum of its proper divisors (6481781).

20710675 is a wasteful number, since it uses less digits than its factorization.

20710675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48758 (or 48753 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 20710675 is about 4550.8982629806. The cubic root of 20710675 is about 274.6195289456.

The spelling of 20710675 in words is "twenty million, seven hundred ten thousand, six hundred seventy-five".