20586074 has 8 divisors (see below), whose sum is σ = 31052160. Its totient is φ = 10235356.

The previous prime is 20586061. The next prime is 20586089. The reversal of 20586074 is 47068502.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20586074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28394 + ... + 29109.

It is an arithmetic number, because the mean of its divisors is an integer number (3881520).

Almost surely, 2^20586074 is an apocalyptic number.

20586074 is a deficient number, since it is larger than the sum of its proper divisors (10466086).

20586074 is a wasteful number, since it uses less digits than its factorization.

20586074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57684.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 20586074 is about 4537.1878956023. The cubic root of 20586074 is about 274.0676924408.

The spelling of 20586074 in words is "twenty million, five hundred eighty-six thousand, seventy-four".