2220231031320 has 64 divisors (see below), whose sum is σ = 6663167399520. Its totient is φ = 591841670144.

The previous prime is 2220231031303. The next prime is 2220231031327. The reversal of 2220231031320 is 231301320222.

It is a happy number.

It is a super-3 number, since 3×2220231031320³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220231031327) 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, 3112029 + ... + 3758348.

Almost surely, 2^{2220231031320} is an apocalyptic number.

2220231031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220231031320 is an abundant number, since it is smaller than the sum of its proper divisors (4442936368200).

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

2220231031320 is a wasteful number, since it uses less digits than its factorization.

2220231031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873084 (or 6873080 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2220231031320 its reverse (231301320222), we get a palindrome (2451532351542).

The spelling of 2220231031320 in words is "two trillion, two hundred twenty billion, two hundred thirty-one million, thirty-one thousand, three hundred twenty".