20363604131 has 32 divisors (see below), whose sum is σ = 22665216000. Its totient is φ = 18286313760.

The previous prime is 20363604119. The next prime is 20363604169. The reversal of 20363604131 is 13140636302.

It is not a de Polignac number, because 20363604131 - 2¹⁰ = 20363603107 is a prime.

It is a super-2 number, since 2×20363604131² (a number of 21 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 = 20363604094 and 20363604103.

It is not an unprimeable number, because it can be changed into a prime (20363604101) 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 in 31 ways as a sum of consecutive naturals, for example, 20548046 + ... + 20549036.

It is an arithmetic number, because the mean of its divisors is an integer number (708288000).

Almost surely, 2^20363604131 is an apocalyptic number.

20363604131 is a deficient number, since it is larger than the sum of its proper divisors (2301611869).

20363604131 is an equidigital number, since it uses as much as digits as its factorization.

20363604131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 20363604131 in words is "twenty billion, three hundred sixty-three million, six hundred four thousand, one hundred thirty-one".