20730674 has 8 divisors (see below), whose sum is σ = 31157040. Its totient is φ = 10344996.

The previous prime is 20730623. The next prime is 20730719. The reversal of 20730674 is 47603702.

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

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, 8864 + ... + 10955.

It is an arithmetic number, because the mean of its divisors is an integer number (3894630).

Almost surely, 2^20730674 is an apocalyptic number.

20730674 is a deficient number, since it is larger than the sum of its proper divisors (10426366).

20730674 is a wasteful number, since it uses less digits than its factorization.

20730674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20344.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 20730674 is about 4553.0949913218. The cubic root of 20730674 is about 274.7078947942.

The spelling of 20730674 in words is "twenty million, seven hundred thirty thousand, six hundred seventy-four".