20079960 has 64 divisors (see below), whose sum is σ = 63417600. Its totient is φ = 5072256.

The previous prime is 20079931. The next prime is 20079973. The reversal of 20079960 is 6997002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2124 + ... + 6683.

It is an arithmetic number, because the mean of its divisors is an integer number (990900).

Almost surely, 2^20079960 is an apocalyptic number.

20079960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20079960 is an abundant number, since it is smaller than the sum of its proper divisors (43337640).

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

20079960 is a wasteful number, since it uses less digits than its factorization.

20079960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8840 (or 8836 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 20079960 is about 4481.0668372610. The cubic root of 20079960 is about 271.8030220344.

The spelling of 20079960 in words is "twenty million, seventy-nine thousand, nine hundred sixty".