220246275280 has 80 divisors (see below), whose sum is σ = 523809331200. Its totient is φ = 86100005376.

The previous prime is 220246275269. The next prime is 220246275281. The reversal of 220246275280 is 82572642022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220246275281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518946 + ... + 842494.

It is an arithmetic number, because the mean of its divisors is an integer number (6547616640).

Almost surely, 2^220246275280 is an apocalyptic number.

220246275280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220246275280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261904665600).

220246275280 is an abundant number, since it is smaller than the sum of its proper divisors (303563055920).

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

220246275280 is a wasteful number, since it uses less digits than its factorization.

220246275280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323756 (or 323750 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 220246275280 in words is "two hundred twenty billion, two hundred forty-six million, two hundred seventy-five thousand, two hundred eighty".