20854713 has 24 divisors (see below), whose sum is σ = 31021984. Its totient is φ = 12450240.

The previous prime is 20854711. The next prime is 20854739. The reversal of 20854713 is 31745802.

It is not a de Polignac number, because 20854713 - 2¹ = 20854711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20854711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26106 + ... + 26892.

Almost surely, 2^20854713 is an apocalyptic number.

It is an amenable number.

20854713 is a deficient number, since it is larger than the sum of its proper divisors (10167271).

20854713 is a wasteful number, since it uses less digits than its factorization.

20854713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 20854713 is about 4566.6960704649. The cubic root of 20854713 is about 275.2546973669.

The spelling of 20854713 in words is "twenty million, eight hundred fifty-four thousand, seven hundred thirteen".