220202120030131 has 4 divisors (see below), whose sum is σ = 226153528679632. Its totient is φ = 214250711380632.

The previous prime is 220202120030083. The next prime is 220202120030143. The reversal of 220202120030131 is 131030021202022.

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 220202120030131 - 2¹¹ = 220202120028083 is a prime.

It is a super-2 number, since 2×220202120030131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220202120030099 and 220202120030108.

It is not an unprimeable number, because it can be changed into a prime (220202120630131) 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, 2975704324695 + ... + 2975704324768.

It is an arithmetic number, because the mean of its divisors is an integer number (56538382169908).

Almost surely, 2^{220202120030131} is an apocalyptic number.

220202120030131 is a deficient number, since it is larger than the sum of its proper divisors (5951408649501).

220202120030131 is an equidigital number, since it uses as much as digits as its factorization.

220202120030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951408649500.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220202120030131 its reverse (131030021202022), we get a palindrome (351232141232153).

The spelling of 220202120030131 in words is "two hundred twenty trillion, two hundred two billion, one hundred twenty million, thirty thousand, one hundred thirty-one".