20695675 has 48 divisors (see below), whose sum is σ = 34497792. Its totient is φ = 11894400.

The previous prime is 20695669. The next prime is 20695679. The reversal of 20695675 is 57659602.

It is not a de Polignac number, because 20695675 - 2⁵ = 20695643 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (20695679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24612 + ... + 25438.

It is an arithmetic number, because the mean of its divisors is an integer number (718704).

Almost surely, 2^20695675 is an apocalyptic number.

20695675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20695675 is the 2275-th decagonal number.

20695675 is a deficient number, since it is larger than the sum of its proper divisors (13802117).

20695675 is a wasteful number, since it uses less digits than its factorization.

20695675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 20695675 is about 4549.2499381766. The cubic root of 20695675 is about 274.5532139041.

It can be divided in two parts, 2069 and 5675, that added together give a square (7744 = 88²).

The spelling of 20695675 in words is "twenty million, six hundred ninety-five thousand, six hundred seventy-five".