220220730131 has 2 divisors, whose sum is σ = 220220730132. Its totient is φ = 220220730130.

The previous prime is 220220730127. The next prime is 220220730143. The reversal of 220220730131 is 131037022022.

220220730131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220220730131 - 2² = 220220730127 is a prime.

It is a super-2 number, since 2×220220730131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220220730097 and 220220730106.

It is not a weakly prime, because it can be changed into another prime (220220030131) 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 as a sum of consecutive naturals, namely, 110110365065 + 110110365066.

It is an arithmetic number, because the mean of its divisors is an integer number (110110365066).

Almost surely, 2^220220730131 is an apocalyptic number.

220220730131 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220730131 is an equidigital number, since it uses as much as digits as its factorization.

220220730131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 220220730131 its reverse (131037022022), we get a palindrome (351257752153).

The spelling of 220220730131 in words is "two hundred twenty billion, two hundred twenty million, seven hundred thirty thousand, one hundred thirty-one".