20934316 has 12 divisors (see below), whose sum is σ = 39453232. Its totient is φ = 9661968.

The previous prime is 20934281. The next prime is 20934323. The reversal of 20934316 is 61343902.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201240 + ... + 201343.

Almost surely, 2^20934316 is an apocalyptic number.

20934316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20934316 is a deficient number, since it is larger than the sum of its proper divisors (18518916).

20934316 is a wasteful number, since it uses less digits than its factorization.

20934316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402600 (or 402598 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 20934316 is about 4575.4033701959. The cubic root of 20934316 is about 275.6044709045.

The spelling of 20934316 in words is "twenty million, nine hundred thirty-four thousand, three hundred sixteen".