23022420500000 has 84 divisors (see below), whose sum is σ = 56656013973426. Its totient is φ = 9208968000000.

The previous prime is 23022420499961. The next prime is 23022420500041. The reversal of 23022420500000 is 502422032.

It can be written as a sum of positive squares in 7 ways, for example, as 4720486238224 + 18301934261776 = 2172668^2 + 4278076^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 22522421 + ... + 23522420.

Almost surely, 2^{23022420500000} is an apocalyptic number.

23022420500000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23022420500000 is an abundant number, since it is smaller than the sum of its proper divisors (33633593473426).

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

23022420500000 is an frugal number, since it uses more digits than its factorization.

23022420500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46044881 (or 46044848 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 23022420500000 its reverse (502422032), we get a palindrome (23022922922032).

The spelling of 23022420500000 in words is "twenty-three trillion, twenty-two billion, four hundred twenty million, five hundred thousand".