20368502 has 16 divisors (see below), whose sum is σ = 38092032. Its totient is φ = 7935720.

The previous prime is 20368487. The next prime is 20368549. The reversal of 20368502 is 20586302.

It is a congruent 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, 65978 + ... + 66285.

It is an arithmetic number, because the mean of its divisors is an integer number (2380752).

Almost surely, 2^20368502 is an apocalyptic number.

20368502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20368502 is a deficient number, since it is larger than the sum of its proper divisors (17723530).

20368502 is a wasteful number, since it uses less digits than its factorization.

20368502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132283.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20368502 is about 4513.1476820507. The cubic root of 20368502 is about 273.0987401508.

The spelling of 20368502 in words is "twenty million, three hundred sixty-eight thousand, five hundred two".