23020572 has 24 divisors (see below), whose sum is σ = 53851392. Its totient is φ = 7654000.

The previous prime is 23020511. The next prime is 23020573. The reversal of 23020572 is 27502032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020573) 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, 2947 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (2243808).

Almost surely, 2^23020572 is an apocalyptic number.

It is an amenable number.

23020572 is an abundant number, since it is smaller than the sum of its proper divisors (30830820).

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

23020572 is a wasteful number, since it uses less digits than its factorization.

23020572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889 (or 4887 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 23020572 is about 4797.9758231988. The cubic root of 23020572 is about 284.4714611699.

It can be divided in two parts, 230 and 20572, that added together give a palindrome (20802).

The spelling of 23020572 in words is "twenty-three million, twenty thousand, five hundred seventy-two".