20679038 has 8 divisors (see below), whose sum is σ = 32843232. Its totient is φ = 9731296.

The previous prime is 20679037. The next prime is 20679053. The reversal of 20679038 is 83097602.

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

It is a super-2 number, since 2×20679038² = 855245225210888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20678989 and 20679007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20679031) 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, 304070 + ... + 304137.

It is an arithmetic number, because the mean of its divisors is an integer number (4105404).

Almost surely, 2^20679038 is an apocalyptic number.

20679038 is a deficient number, since it is larger than the sum of its proper divisors (12164194).

20679038 is a wasteful number, since it uses less digits than its factorization.

20679038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608226.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 20679038 is about 4547.4210273517. The cubic root of 20679038 is about 274.4796241911.

The spelling of 20679038 in words is "twenty million, six hundred seventy-nine thousand, thirty-eight".