2220310031220 has 48 divisors (see below), whose sum is σ = 6907631209920. Its totient is φ = 592082674848.

The previous prime is 2220310031213. The next prime is 2220310031221. The reversal of 2220310031220 is 221300130222.

2220310031220 is a `hidden beast` number, since 2 + 2 + 20 + 310 + 0 + 312 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220310031193 and 2220310031202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220310031221) 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, 2055842082 + ... + 2055843161.

It is an arithmetic number, because the mean of its divisors is an integer number (143908983540).

Almost surely, 2^{2220310031220} is an apocalyptic number.

2220310031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220310031220 is an abundant number, since it is smaller than the sum of its proper divisors (4687321178700).

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

2220310031220 is a wasteful number, since it uses less digits than its factorization.

2220310031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111685261 (or 4111685253 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2220310031220 its reverse (221300130222), we get a palindrome (2441610161442).

The spelling of 2220310031220 in words is "two trillion, two hundred twenty billion, three hundred ten million, thirty-one thousand, two hundred twenty".