20622833 has 8 divisors (see below), whose sum is σ = 25711680. Its totient is φ = 16069680.

The previous prime is 20622827. The next prime is 20622841. The reversal of 20622833 is 33822602.

It is a happy number.

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

It is not a de Polignac number, because 20622833 - 2²⁰ = 19574257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20622803) 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, 133838 + ... + 133991.

It is an arithmetic number, because the mean of its divisors is an integer number (3213960).

Almost surely, 2^20622833 is an apocalyptic number.

It is an amenable number.

20622833 is a deficient number, since it is larger than the sum of its proper divisors (5088847).

20622833 is a wasteful number, since it uses less digits than its factorization.

20622833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267847.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20622833 is about 4541.2369460313. The cubic root of 20622833 is about 274.2307227795.

The spelling of 20622833 in words is "twenty million, six hundred twenty-two thousand, eight hundred thirty-three".