20236603131 has 6 divisors (see below), whose sum is σ = 29230648980. Its totient is φ = 13491068748.

The previous prime is 20236603099. The next prime is 20236603183. The reversal of 20236603131 is 13130663202.

It is a happy number.

20236603131 is a `hidden beast` number, since 2 + 0 + 23 + 6 + 603 + 1 + 31 = 666.

It is not a de Polignac number, because 20236603131 - 2⁵ = 20236603099 is a prime.

It is a super-2 number, since 2×20236603131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20236603095 and 20236603104.

It is not an unprimeable number, because it can be changed into a prime (20236603031) 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 5 ways as a sum of consecutive naturals, for example, 1124255721 + ... + 1124255738.

It is an arithmetic number, because the mean of its divisors is an integer number (4871774830).

Almost surely, 2^20236603131 is an apocalyptic number.

20236603131 is a deficient number, since it is larger than the sum of its proper divisors (8994045849).

20236603131 is a wasteful number, since it uses less digits than its factorization.

20236603131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248511465 (or 2248511462 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The spelling of 20236603131 in words is "twenty billion, two hundred thirty-six million, six hundred three thousand, one hundred thirty-one".