220142234031220 has 24 divisors (see below), whose sum is σ = 463371310257408. Its totient is φ = 87852585271200.

The previous prime is 220142234031173. The next prime is 220142234031319. The reversal of 220142234031220 is 22130432241022.

It is a congruent number.

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, 12769262496 + ... + 12769279735.

It is an arithmetic number, because the mean of its divisors is an integer number (19307137927392).

Almost surely, 2^{220142234031220} is an apocalyptic number.

220142234031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220142234031220 is an abundant number, since it is smaller than the sum of its proper divisors (243229076226188).

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

220142234031220 is a wasteful number, since it uses less digits than its factorization.

220142234031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25538542671 (or 25538542669 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 220142234031220 its reverse (22130432241022), we get a palindrome (242272666272242).

The spelling of 220142234031220 in words is "two hundred twenty trillion, one hundred forty-two billion, two hundred thirty-four million, thirty-one thousand, two hundred twenty".