20584968 has 16 divisors (see below), whose sum is σ = 51462480. Its totient is φ = 6861648.

The previous prime is 20584957. The next prime is 20584973. The reversal of 20584968 is 86948502.

It is a super-2 number, since 2×20584968² = 847481815122048, 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, 428830 + ... + 428877.

It is an arithmetic number, because the mean of its divisors is an integer number (3216405).

Almost surely, 2^20584968 is an apocalyptic number.

It is an amenable number.

20584968 is an abundant number, since it is smaller than the sum of its proper divisors (30877512).

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

20584968 is a wasteful number, since it uses less digits than its factorization.

20584968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857716 (or 857712 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 20584968 is about 4537.0660123035. The cubic root of 20584968 is about 274.0627841989.

The spelling of 20584968 in words is "twenty million, five hundred eighty-four thousand, nine hundred sixty-eight".