20882604 has 24 divisors (see below), whose sum is σ = 49276080. Its totient is φ = 6882304.

The previous prime is 20882573. The next prime is 20882633. The reversal of 20882604 is 40628802.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 8709 + ... + 10844.

It is an arithmetic number, because the mean of its divisors is an integer number (2053170).

Almost surely, 2^20882604 is an apocalyptic number.

It is an amenable number.

20882604 is an abundant number, since it is smaller than the sum of its proper divisors (28393476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20882604 is a wasteful number, since it uses less digits than its factorization.

20882604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19649 (or 19647 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 20882604 is about 4569.7487895945. The cubic root of 20882604 is about 275.3773508386.

The spelling of 20882604 in words is "twenty million, eight hundred eighty-two thousand, six hundred four".