23013620545220 has 48 divisors (see below), whose sum is σ = 48437021908800. Its totient is φ = 9184818218880.

The previous prime is 23013620545217. The next prime is 23013620545249. The reversal of 23013620545220 is 2254502631032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16738046 + ... + 18060714.

It is an arithmetic number, because the mean of its divisors is an integer number (1009104623100).

Almost surely, 2^{23013620545220} is an apocalyptic number.

23013620545220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23013620545220 is an abundant number, since it is smaller than the sum of its proper divisors (25423401363580).

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

23013620545220 is a wasteful number, since it uses less digits than its factorization.

23013620545220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324628 (or 1324626 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 23013620545220 in words is "twenty-three trillion, thirteen billion, six hundred twenty million, five hundred forty-five thousand, two hundred twenty".