20604466 has 8 divisors (see below), whose sum is σ = 31143024. Its totient is φ = 10223460.

The previous prime is 20604457. The next prime is 20604499. The reversal of 20604466 is 66440602.

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

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, 39060 + ... + 39583.

It is an arithmetic number, because the mean of its divisors is an integer number (3892878).

Almost surely, 2^20604466 is an apocalyptic number.

20604466 is a deficient number, since it is larger than the sum of its proper divisors (10538558).

20604466 is a wasteful number, since it uses less digits than its factorization.

20604466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78776.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20604466 is about 4539.2142491845. The cubic root of 20604466 is about 274.1492872867.

The spelling of 20604466 in words is "twenty million, six hundred four thousand, four hundred sixty-six".