20879094 has 24 divisors (see below), whose sum is σ = 44362728. Its totient is φ = 6549760.

The previous prime is 20879087. The next prime is 20879099. The reversal of 20879094 is 49097802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20879099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4287 + ... + 7754.

It is an arithmetic number, because the mean of its divisors is an integer number (1848447).

Almost surely, 2^20879094 is an apocalyptic number.

20879094 is an abundant number, since it is smaller than the sum of its proper divisors (23483634).

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

20879094 is a wasteful number, since it uses less digits than its factorization.

20879094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080 (or 12063 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 20879094 is about 4569.3647260861. The cubic root of 20879094 is about 275.3619212708.

The spelling of 20879094 in words is "twenty million, eight hundred seventy-nine thousand, ninety-four".