10204020131 has 4 divisors (see below), whose sum is σ = 10204329072. Its totient is φ = 10203711192.

The previous prime is 10204020077. The next prime is 10204020133. The reversal of 10204020131 is 13102040201.

10204020131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10204020131 - 2²² = 10199825827 is a prime.

It is a super-2 number, since 2×10204020131² (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 (10204020133) 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, 98060 + ... + 173273.

It is an arithmetic number, because the mean of its divisors is an integer number (2551082268).

Almost surely, 2^10204020131 is an apocalyptic number.

10204020131 is a deficient number, since it is larger than the sum of its proper divisors (308941).

10204020131 is an equidigital number, since it uses as much as digits as its factorization.

10204020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308940.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10204020131 its reverse (13102040201), we get a palindrome (23306060332).

The spelling of 10204020131 in words is "ten billion, two hundred four million, twenty thousand, one hundred thirty-one".