20774675 has 12 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 16305120.

The previous prime is 20774653. The next prime is 20774683. The reversal of 20774675 is 57647702.

It is not a de Polignac number, because 20774675 - 2¹⁰ = 20773651 is a prime.

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, 6515 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 2^20774675 is an apocalyptic number.

20774675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20774675 is a deficient number, since it is larger than the sum of its proper divisors (5473645).

20774675 is a wasteful number, since it uses less digits than its factorization.

20774675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15742 (or 15737 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 20774675 is about 4557.9244179780. The cubic root of 20774675 is about 274.9021139220.

The spelling of 20774675 in words is "twenty million, seven hundred seventy-four thousand, six hundred seventy-five".