20675974 has 16 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 9371560.

The previous prime is 20675969. The next prime is 20675983. The reversal of 20675974 is 47957602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8097 + ... + 10339.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 2^20675974 is an apocalyptic number.

20675974 is a deficient number, since it is larger than the sum of its proper divisors (13253306).

20675974 is a wasteful number, since it uses less digits than its factorization.

20675974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 20675974 is about 4547.0841206206. The cubic root of 20675974 is about 274.4660670306.

The spelling of 20675974 in words is "twenty million, six hundred seventy-five thousand, nine hundred seventy-four".