20146112200131 has 16 divisors (see below), whose sum is σ = 28141832875008. Its totient is φ = 12803499324000.

The previous prime is 20146112200111. The next prime is 20146112200133. The reversal of 20146112200131 is 13100221164102.

It is not a de Polignac number, because 20146112200131 - 2⁵ = 20146112200099 is a prime.

It is a super-2 number, since 2×20146112200131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20146112200133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616597220 + ... + 1616609681.

It is an arithmetic number, because the mean of its divisors is an integer number (1758864554688).

Almost surely, 2^{20146112200131} is an apocalyptic number.

20146112200131 is a deficient number, since it is larger than the sum of its proper divisors (7995720674877).

20146112200131 is a wasteful number, since it uses less digits than its factorization.

20146112200131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233207002.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 20146112200131 its reverse (13100221164102), we get a palindrome (33246333364233).

The spelling of 20146112200131 in words is "twenty trillion, one hundred forty-six billion, one hundred twelve million, two hundred thousand, one hundred thirty-one".