20879334 has 24 divisors (see below), whose sum is σ = 51701520. Its totient is φ = 5965488.

The previous prime is 20879321. The next prime is 20879351. The reversal of 20879334 is 43397802.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82729 + ... + 82980.

It is an arithmetic number, because the mean of its divisors is an integer number (2154230).

Almost surely, 2^20879334 is an apocalyptic number.

20879334 is an abundant number, since it is smaller than the sum of its proper divisors (30822186).

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

20879334 is a wasteful number, since it uses less digits than its factorization.

20879334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165724 (or 165721 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 20879334 is about 4569.3909878670. The cubic root of 20879334 is about 275.3629763391.

The spelling of 20879334 in words is "twenty million, eight hundred seventy-nine thousand, three hundred thirty-four".