20860994 has 16 divisors (see below), whose sum is σ = 39013056. Its totient is φ = 8127600.

The previous prime is 20860969. The next prime is 20861017. The reversal of 20860994 is 49906802.

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, 67577 + ... + 67884.

It is an arithmetic number, because the mean of its divisors is an integer number (2438316).

Almost surely, 2^20860994 is an apocalyptic number.

20860994 is a deficient number, since it is larger than the sum of its proper divisors (18152062).

20860994 is a wasteful number, since it uses less digits than its factorization.

20860994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135481.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 20860994 is about 4567.3837149948. The cubic root of 20860994 is about 275.2823282309.

The spelling of 20860994 in words is "twenty million, eight hundred sixty thousand, nine hundred ninety-four".