20000131330323 has 16 divisors (see below), whose sum is σ = 26823519937440. Its totient is φ = 13255096372224.

The previous prime is 20000131330321. The next prime is 20000131330337. The reversal of 20000131330323 is 32303313100002.

It is not a de Polignac number, because 20000131330323 - 2¹ = 20000131330321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20000131330323.

It is not an unprimeable number, because it can be changed into a prime (20000131330321) 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, 3692643 + ... + 7323651.

It is an arithmetic number, because the mean of its divisors is an integer number (1676469996090).

Almost surely, 2^{20000131330323} is an apocalyptic number.

20000131330323 is a deficient number, since it is larger than the sum of its proper divisors (6823388607117).

20000131330323 is a wasteful number, since it uses less digits than its factorization.

20000131330323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641798.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20000131330323 its reverse (32303313100002), we get a palindrome (52303444430325).

The spelling of 20000131330323 in words is "twenty trillion, one hundred thirty-one million, three hundred thirty thousand, three hundred twenty-three".