20233722 has 16 divisors (see below), whose sum is σ = 41038272. Its totient is φ = 6649440.

The previous prime is 20233691. The next prime is 20233739. The reversal of 20233722 is 22733202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23323 + ... + 24174.

It is an arithmetic number, because the mean of its divisors is an integer number (2564892).

Almost surely, 2^20233722 is an apocalyptic number.

20233722 is an abundant number, since it is smaller than the sum of its proper divisors (20804550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20233722 is a wasteful number, since it uses less digits than its factorization.

20233722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47573.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 20233722 is about 4498.1909697122. The cubic root of 20233722 is about 272.4950345587.

Adding to 20233722 its reverse (22733202), we get a palindrome (42966924).

The spelling of 20233722 in words is "twenty million, two hundred thirty-three thousand, seven hundred twenty-two".