23302221020 has 24 divisors (see below), whose sum is σ = 52698869664. Its totient is φ = 8603896896.

The previous prime is 23302221001. The next prime is 23302221029. The reversal of 23302221020 is 2012220332.

It is a self number, because there is not a number n which added to its sum of digits gives 23302221020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23302221029) 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, 44811704 + ... + 44812223.

It is an arithmetic number, because the mean of its divisors is an integer number (2195786236).

Almost surely, 2^23302221020 is an apocalyptic number.

23302221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23302221020 is an abundant number, since it is smaller than the sum of its proper divisors (29396648644).

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

23302221020 is a wasteful number, since it uses less digits than its factorization.

23302221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89623949 (or 89623947 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23302221020 its reverse (2012220332), we get a palindrome (25314441352).

The spelling of 23302221020 in words is "twenty-three billion, three hundred two million, two hundred twenty-one thousand, twenty".