20700675 has 18 divisors (see below), whose sum is σ = 37077612. Its totient is φ = 11040240.

The previous prime is 20700643. The next prime is 20700677. The reversal of 20700675 is 57600702.

It is not a de Polignac number, because 20700675 - 2⁵ = 20700643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20700677) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45777 + ... + 46226.

Almost surely, 2^20700675 is an apocalyptic number.

20700675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20700675 is a deficient number, since it is larger than the sum of its proper divisors (16376937).

20700675 is a wasteful number, since it uses less digits than its factorization.

20700675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92019 (or 92011 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 20700675 is about 4549.7994461295. The cubic root of 20700675 is about 274.5753224772.

Adding to 20700675 its sum of digits (27), we get a palindrome (20700702).

The spelling of 20700675 in words is "twenty million, seven hundred thousand, six hundred seventy-five".