23221331210020 has 96 divisors (see below), whose sum is σ = 49863614774400. Its totient is φ = 9081204464640.

The previous prime is 23221331209949. The next prime is 23221331210071. The reversal of 23221331210020 is 2001213312232.

It is a junction number, because it is equal to n+sod(n) for n = 23221331209973 and 23221331210000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170804031 + ... + 170939929.

It is an arithmetic number, because the mean of its divisors is an integer number (519412653900).

Almost surely, 2^{23221331210020} is an apocalyptic number.

23221331210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23221331210020 is an abundant number, since it is smaller than the sum of its proper divisors (26642283564380).

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

23221331210020 is a wasteful number, since it uses less digits than its factorization.

23221331210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136813 (or 136811 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23221331210020 its reverse (2001213312232), we get a palindrome (25222544522252).

The spelling of 23221331210020 in words is "twenty-three trillion, two hundred twenty-one billion, three hundred thirty-one million, two hundred ten thousand, twenty".