2220244651660 has 72 divisors (see below), whose sum is σ = 5435455959360. Its totient is φ = 759582464256.

The previous prime is 2220244651649. The next prime is 2220244651661. The reversal of 2220244651660 is 661564420222.

It is not an unprimeable number, because it can be changed into a prime (2220244651661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1992865 + ... + 2900344.

It is an arithmetic number, because the mean of its divisors is an integer number (75492443880).

Almost surely, 2^{2220244651660} is an apocalyptic number.

2220244651660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220244651660 is an abundant number, since it is smaller than the sum of its proper divisors (3215211307700).

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

2220244651660 is a wasteful number, since it uses less digits than its factorization.

2220244651660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893695 (or 4893686 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 2220244651660 in words is "two trillion, two hundred twenty billion, two hundred forty-four million, six hundred fifty-one thousand, six hundred sixty".