23220011020 has 24 divisors (see below), whose sum is σ = 48769104384. Its totient is φ = 9286655616.

The previous prime is 23220010997. The next prime is 23220011033. The reversal of 23220011020 is 2011002232.

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, 63157 + ... + 224563.

It is an arithmetic number, because the mean of its divisors is an integer number (2032046016).

Almost surely, 2^23220011020 is an apocalyptic number.

23220011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220011020 is an abundant number, since it is smaller than the sum of its proper divisors (25549093364).

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

23220011020 is a wasteful number, since it uses less digits than its factorization.

23220011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168609 (or 168607 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 23220011020 its reverse (2011002232), we get a palindrome (25231013252).

The spelling of 23220011020 in words is "twenty-three billion, two hundred twenty million, eleven thousand, twenty".