2220220203131 has 4 divisors (see below), whose sum is σ = 2537394517872. Its totient is φ = 1903045888392.

The previous prime is 2220220203127. The next prime is 2220220203139. The reversal of 2220220203131 is 1313020220222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2220220203131 - 2² = 2220220203127 is a prime.

It is a super-2 number, since 2×2220220203131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220220203139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158587157360 + ... + 158587157373.

It is an arithmetic number, because the mean of its divisors is an integer number (634348629468).

Almost surely, 2^{2220220203131} is an apocalyptic number.

2220220203131 is a deficient number, since it is larger than the sum of its proper divisors (317174314741).

2220220203131 is an equidigital number, since it uses as much as digits as its factorization.

2220220203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317174314740.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2220220203131 its reverse (1313020220222), we get a palindrome (3533240423353).

The spelling of 2220220203131 in words is "two trillion, two hundred twenty billion, two hundred twenty million, two hundred three thousand, one hundred thirty-one".