20886698 has 16 divisors (see below), whose sum is σ = 36210240. Its totient is φ = 8850336.

The previous prime is 20886683. The next prime is 20886703. The reversal of 20886698 is 89668802.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7136 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (2263140).

Almost surely, 2^20886698 is an apocalyptic number.

20886698 is a deficient number, since it is larger than the sum of its proper divisors (15323542).

20886698 is a wasteful number, since it uses less digits than its factorization.

20886698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16861.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 20886698 is about 4570.1967134906. The cubic root of 20886698 is about 275.3953454209.

The spelling of 20886698 in words is "twenty million, eight hundred eighty-six thousand, six hundred ninety-eight".