20300202131 has 4 divisors (see below), whose sum is σ = 22145675064. Its totient is φ = 18454729200.

The previous prime is 20300202119. The next prime is 20300202137. The reversal of 20300202131 is 13120200302.

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 20300202131 - 2¹⁸ = 20299939987 is a prime.

It is a super-2 number, since 2×20300202131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300202137) 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, 922736450 + ... + 922736471.

It is an arithmetic number, because the mean of its divisors is an integer number (5536418766).

Almost surely, 2^20300202131 is an apocalyptic number.

20300202131 is a deficient number, since it is larger than the sum of its proper divisors (1845472933).

20300202131 is a wasteful number, since it uses less digits than its factorization.

20300202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845472932.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20300202131 its reverse (13120200302), we get a palindrome (33420402433).

The spelling of 20300202131 in words is "twenty billion, three hundred million, two hundred two thousand, one hundred thirty-one".