23021021310020 has 24 divisors (see below), whose sum is σ = 48387193903104. Its totient is φ = 9200208685536.

The previous prime is 23021021309971. The next prime is 23021021310061. The reversal of 23021021310020 is 2001312012032.

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, 512466884 + ... + 512511803.

It is an arithmetic number, because the mean of its divisors is an integer number (2016133079296).

Almost surely, 2^{23021021310020} is an apocalyptic number.

23021021310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23021021310020 is an abundant number, since it is smaller than the sum of its proper divisors (25366172593084).

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

23021021310020 is a wasteful number, since it uses less digits than its factorization.

23021021310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024979819 (or 1024979817 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23021021310020 its reverse (2001312012032), we get a palindrome (25022333322052).

The spelling of 23021021310020 in words is "twenty-three trillion, twenty-one billion, twenty-one million, three hundred ten thousand, twenty".