2220231311320 has 64 divisors (see below), whose sum is σ = 5449866935040. Its totient is φ = 807325987200.

The previous prime is 2220231311303. The next prime is 2220231311329. The reversal of 2220231311320 is 231131320222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2220231311291 and 2220231311300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220231311329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13657315 + ... + 13818925.

It is an arithmetic number, because the mean of its divisors is an integer number (85154170860).

Almost surely, 2^{2220231311320} is an apocalyptic number.

2220231311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220231311320 is an abundant number, since it is smaller than the sum of its proper divisors (3229635623720).

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

2220231311320 is a wasteful number, since it uses less digits than its factorization.

2220231311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192856 (or 192852 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2220231311320 its reverse (231131320222), we get a palindrome (2451362631542).

The spelling of 2220231311320 in words is "two trillion, two hundred twenty billion, two hundred thirty-one million, three hundred eleven thousand, three hundred twenty".