20010000131 has 16 divisors (see below), whose sum is σ = 22019117568. Its totient is φ = 18033127200.

The previous prime is 20010000097. The next prime is 20010000133. The reversal of 20010000131 is 13100001002.

It is a de Polignac number, because none of the positive numbers 2^k-20010000131 is a prime.

It is a super-2 number, since 2×20010000131² (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 (20010000133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697766 + ... + 725876.

It is an arithmetic number, because the mean of its divisors is an integer number (1376194848).

Almost surely, 2^20010000131 is an apocalyptic number.

20010000131 is a deficient number, since it is larger than the sum of its proper divisors (2009117437).

20010000131 is a wasteful number, since it uses less digits than its factorization.

20010000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28682.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 20010000131 its reverse (13100001002), we get a palindrome (33110001133).

The spelling of 20010000131 in words is "twenty billion, ten million, one hundred thirty-one", and thus it is an aban number.