20626833 has 8 divisors (see below), whose sum is σ = 27755200. Its totient is φ = 13624848.

The previous prime is 20626789. The next prime is 20626841. The reversal of 20626833 is 33862602.

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

It is not a de Polignac number, because 20626833 - 2⁶ = 20626769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20626833.

It is not an unprimeable number, because it can be changed into a prime (20626633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31213 + ... + 31866.

It is an arithmetic number, because the mean of its divisors is an integer number (3469400).

Almost surely, 2^20626833 is an apocalyptic number.

It is an amenable number.

20626833 is a deficient number, since it is larger than the sum of its proper divisors (7128367).

20626833 is a wasteful number, since it uses less digits than its factorization.

20626833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63191.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 20626833 is about 4541.6773333208. The cubic root of 20626833 is about 274.2484515429.

The spelling of 20626833 in words is "twenty million, six hundred twenty-six thousand, eight hundred thirty-three".