220405912752 has 40 divisors (see below), whose sum is σ = 589015805040. Its totient is φ = 70935235840.

The previous prime is 220405912751. The next prime is 220405912813. The reversal of 220405912752 is 257219504022.

It is a self number, because there is not a number n which added to its sum of digits gives 220405912752.

It is not an unprimeable number, because it can be changed into a prime (220405912751) 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, 79167399 + ... + 79170182.

It is an arithmetic number, because the mean of its divisors is an integer number (14725395126).

Almost surely, 2^220405912752 is an apocalyptic number.

It is an amenable number.

220405912752 is an abundant number, since it is smaller than the sum of its proper divisors (368609892288).

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

220405912752 is a wasteful number, since it uses less digits than its factorization.

220405912752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158337621 (or 158337615 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 220405912752 in words is "two hundred twenty billion, four hundred five million, nine hundred twelve thousand, seven hundred fifty-two".