220231124042100 has 144 divisors (see below), whose sum is σ = 668749883018112. Its totient is φ = 55850184727040.

The previous prime is 220231124042093. The next prime is 220231124042147. The reversal of 220231124042100 is 1240421132022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91053567 + ... + 93440966.

It is an arithmetic number, because the mean of its divisors is an integer number (4644096409848).

Almost surely, 2^{220231124042100} is an apocalyptic number.

220231124042100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220231124042100 is an abundant number, since it is smaller than the sum of its proper divisors (448518758976012).

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

220231124042100 is a wasteful number, since it uses less digits than its factorization.

220231124042100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184494746 (or 184494739 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 220231124042100 its reverse (1240421132022), we get a palindrome (221471545174122).

The spelling of 220231124042100 in words is "two hundred twenty trillion, two hundred thirty-one billion, one hundred twenty-four million, forty-two thousand, one hundred".