20331058 has 8 divisors (see below), whose sum is σ = 33269040. Its totient is φ = 9241380.

The previous prime is 20331053. The next prime is 20331061. The reversal of 20331058 is 85013302.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 924139 = 20331058 / (2 + 0 + 3 + 3 + 1 + 0 + 5 + 8).

It is not an unprimeable number, because it can be changed into a prime (20331053) 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, 462048 + ... + 462091.

It is an arithmetic number, because the mean of its divisors is an integer number (4158630).

Almost surely, 2^20331058 is an apocalyptic number.

20331058 is a deficient number, since it is larger than the sum of its proper divisors (12937982).

20331058 is a wasteful number, since it uses less digits than its factorization.

20331058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924152.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20331058 is about 4508.9974495446. The cubic root of 20331058 is about 272.9312890896.

The spelling of 20331058 in words is "twenty million, three hundred thirty-one thousand, fifty-eight".