20302022131 has 4 divisors (see below), whose sum is σ = 20302673200. Its totient is φ = 20301371064.

The previous prime is 20302022123. The next prime is 20302022161. The reversal of 20302022131 is 13122020302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13122020302 = 2 ⋅6561010151.

It is a cyclic number.

It is not a de Polignac number, because 20302022131 - 2³ = 20302022123 is a prime.

It is a super-3 number, since 3×20302022131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302022161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276276 + ... + 341953.

It is an arithmetic number, because the mean of its divisors is an integer number (5075668300).

Almost surely, 2^20302022131 is an apocalyptic number.

20302022131 is a deficient number, since it is larger than the sum of its proper divisors (651069).

20302022131 is an equidigital number, since it uses as much as digits as its factorization.

20302022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651068.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20302022131 its reverse (13122020302), we get a palindrome (33424042433).

The spelling of 20302022131 in words is "twenty billion, three hundred two million, twenty-two thousand, one hundred thirty-one".