20874682 has 8 divisors (see below), whose sum is σ = 31333716. Its totient is φ = 10430112.

The previous prime is 20874677. The next prime is 20874713. The reversal of 20874682 is 28647802.

It can be written as a sum of positive squares in 2 ways, for example, as 18826921 + 2047761 = 4339^2 + 1431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20874682² = 871504697202248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368 + ... + 6604.

Almost surely, 2^20874682 is an apocalyptic number.

20874682 is a deficient number, since it is larger than the sum of its proper divisors (10459034).

20874682 is a wasteful number, since it uses less digits than its factorization.

20874682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 20874682 is about 4568.8819201201. The cubic root of 20874682 is about 275.3425241587.

The spelling of 20874682 in words is "twenty million, eight hundred seventy-four thousand, six hundred eighty-two".