20879196 has 48 divisors (see below), whose sum is σ = 55558944. Its totient is φ = 6045696.

The previous prime is 20879167. The next prime is 20879203. The reversal of 20879196 is 69197802.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (1157478).

Almost surely, 2^20879196 is an apocalyptic number.

20879196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20879196 is an abundant number, since it is smaller than the sum of its proper divisors (34679748).

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

20879196 is a wasteful number, since it uses less digits than its factorization.

20879196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910 (or 7908 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 20879196 is about 4569.3758873614. The cubic root of 20879196 is about 275.3623696758.

The spelling of 20879196 in words is "twenty million, eight hundred seventy-nine thousand, one hundred ninety-six".