220244655252 has 96 divisors (see below), whose sum is σ = 550084276224. Its totient is φ = 68344819200.

The previous prime is 220244655247. The next prime is 220244655263. The reversal of 220244655252 is 252556442022.

It is a self number, because there is not a number n which added to its sum of digits gives 220244655252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7000477 + ... + 7031867.

It is an arithmetic number, because the mean of its divisors is an integer number (5730044544).

Almost surely, 2^220244655252 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 220244655252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275042138112).

220244655252 is an abundant number, since it is smaller than the sum of its proper divisors (329839620972).

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

220244655252 is a wasteful number, since it uses less digits than its factorization.

220244655252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31789 (or 31787 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 220244655252 in words is "two hundred twenty billion, two hundred forty-four million, six hundred fifty-five thousand, two hundred fifty-two".