220020222312 has 48 divisors (see below), whose sum is σ = 650059750080. Its totient is φ = 66672794400.

The previous prime is 220020222307. The next prime is 220020222407. The reversal of 220020222312 is 213222020022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138900864 + ... + 138902447.

It is an arithmetic number, because the mean of its divisors is an integer number (13542911460).

Almost surely, 2^220020222312 is an apocalyptic number.

220020222312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220020222312 is an abundant number, since it is smaller than the sum of its proper divisors (430039527768).

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

220020222312 is a wasteful number, since it uses less digits than its factorization.

220020222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277803334 (or 277803327 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 220020222312 its reverse (213222020022), we get a palindrome (433242242334).

The spelling of 220020222312 in words is "two hundred twenty billion, twenty million, two hundred twenty-two thousand, three hundred twelve".