20318794 has 8 divisors (see below), whose sum is σ = 30518208. Its totient is φ = 10146060.

The previous prime is 20318761. The next prime is 20318797. The reversal of 20318794 is 49781302.

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

It is a super-2 number, since 2×20318794² = 825706779228872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20318797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4642 + ... + 7885.

It is an arithmetic number, because the mean of its divisors is an integer number (3814776).

Almost surely, 2^20318794 is an apocalyptic number.

20318794 is a deficient number, since it is larger than the sum of its proper divisors (10199414).

20318794 is a wasteful number, since it uses less digits than its factorization.

20318794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13340.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 20318794 is about 4507.6372968552. The cubic root of 20318794 is about 272.8763992983.

It can be divided in two parts, 20318 and 794, that added together give a palindrome (21112).

The spelling of 20318794 in words is "twenty million, three hundred eighteen thousand, seven hundred ninety-four".