220231012123020 has 96 divisors (see below), whose sum is σ = 616916294184960. Its totient is φ = 58702612550400.

The previous prime is 220231012122937. The next prime is 220231012123039. The reversal of 220231012123020 is 20321210132022.

It is a super-2 number, since 2×220231012123020² (a number of 29 digits) contains 22 as substring.

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, 1349778445 + ... + 1349941595.

It is an arithmetic number, because the mean of its divisors is an integer number (6426211397760).

Almost surely, 2^{220231012123020} is an apocalyptic number.

220231012123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220231012123020 is an abundant number, since it is smaller than the sum of its proper divisors (396685282061940).

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

220231012123020 is a wasteful number, since it uses less digits than its factorization.

220231012123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172855 (or 172853 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 220231012123020 its reverse (20321210132022), we get a palindrome (240552222255042).

The spelling of 220231012123020 in words is "two hundred twenty trillion, two hundred thirty-one billion, twelve million, one hundred twenty-three thousand, twenty".