20468715 has 8 divisors (see below), whose sum is σ = 32749968. Its totient is φ = 10916640.

The previous prime is 20468671. The next prime is 20468729. The reversal of 20468715 is 51786402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20468715 - 2¹³ = 20460523 is a prime.

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, 682276 + ... + 682305.

It is an arithmetic number, because the mean of its divisors is an integer number (4093746).

Almost surely, 2^20468715 is an apocalyptic number.

20468715 is a deficient number, since it is larger than the sum of its proper divisors (12281253).

20468715 is a wasteful number, since it uses less digits than its factorization.

20468715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364589.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 20468715 is about 4524.2363996591. The cubic root of 20468715 is about 273.5458894265.

The spelling of 20468715 in words is "twenty million, four hundred sixty-eight thousand, seven hundred fifteen".