20679612 has 24 divisors (see below), whose sum is σ = 48524112. Its totient is φ = 6854400.

The previous prime is 20679587. The next prime is 20679613. The reversal of 20679612 is 21697602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20679613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589 + ... + 6932.

It is an arithmetic number, because the mean of its divisors is an integer number (2021838).

Almost surely, 2^20679612 is an apocalyptic number.

It is an amenable number.

20679612 is an abundant number, since it is smaller than the sum of its proper divisors (27844500).

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

20679612 is a wasteful number, since it uses less digits than its factorization.

20679612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709 (or 9707 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 20679612 is about 4547.4841396095. The cubic root of 20679612 is about 274.4821637974.

The spelling of 20679612 in words is "twenty million, six hundred seventy-nine thousand, six hundred twelve".