23022020 has 24 divisors (see below), whose sum is σ = 55253184. Its totient is φ = 7893216.

The previous prime is 23022019. The next prime is 23022023. The reversal of 23022020 is 2022032.

It is a junction number, because it is equal to n+sod(n) for n = 23021992 and 23022010.

It is not an unprimeable number, because it can be changed into a prime (23022023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82082 + ... + 82361.

It is an arithmetic number, because the mean of its divisors is an integer number (2302216).

Almost surely, 2^23022020 is an apocalyptic number.

23022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23022020 is an abundant number, since it is smaller than the sum of its proper divisors (32231164).

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

23022020 is a wasteful number, since it uses less digits than its factorization.

23022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164459 (or 164457 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 23022020 is about 4798.1267177931. The cubic root of 23022020 is about 284.4774254880.

Adding to 23022020 its reverse (2022032), we get a palindrome (25044052).

The spelling of 23022020 in words is "twenty-three million, twenty-two thousand, twenty".