220462990912 has 56 divisors (see below), whose sum is σ = 445265471672. Its totient is φ = 108275097600.

The previous prime is 220462990889. The next prime is 220462990919. The reversal of 220462990912 is 219099264022.

It can be written as a sum of positive squares in 4 ways, for example, as 67068568576 + 153394422336 = 258976^2 + 391656^2 .

It is not an unprimeable number, because it can be changed into a prime (220462990919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2823112 + ... + 2900152.

It is an arithmetic number, because the mean of its divisors is an integer number (7951169137).

Almost surely, 2^220462990912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220462990912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222632735836).

220462990912 is an abundant number, since it is smaller than the sum of its proper divisors (224802480760).

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

220462990912 is an equidigital number, since it uses as much as digits as its factorization.

220462990912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77847 (or 77837 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 220462990912 in words is "two hundred twenty billion, four hundred sixty-two million, nine hundred ninety thousand, nine hundred twelve".