220400244431312 has 20 divisors (see below), whose sum is σ = 465845971184736. Its totient is φ = 100181929286880.

The previous prime is 220400244431303. The next prime is 220400244431321. The reversal of 220400244431312 is 213134442004022.

It is a happy number.

220400244431312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220400244431303) and next prime (220400244431321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626137057868 + ... + 626137058219.

Almost surely, 2^{220400244431312} is an apocalyptic number.

220400244431312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220400244431312 is an abundant number, since it is smaller than the sum of its proper divisors (245445726753424).

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

220400244431312 is a wasteful number, since it uses less digits than its factorization.

220400244431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252274116106 (or 1252274116100 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 220400244431312 its reverse (213134442004022), we get a palindrome (433534686435334).

The spelling of 220400244431312 in words is "two hundred twenty trillion, four hundred billion, two hundred forty-four million, four hundred thirty-one thousand, three hundred twelve".