20046334631 has 8 divisors (see below), whose sum is σ = 20539101744. Its totient is φ = 19553750080.

The previous prime is 20046334619. The next prime is 20046334639. The reversal of 20046334631 is 13643364002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20046334631 is a prime.

It is a super-2 number, since 2×20046334631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046334639) 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 7 ways as a sum of consecutive naturals, for example, 191636 + ... + 277158.

It is an arithmetic number, because the mean of its divisors is an integer number (2567387718).

Almost surely, 2^20046334631 is an apocalyptic number.

20046334631 is a deficient number, since it is larger than the sum of its proper divisors (492767113).

20046334631 is an equidigital number, since it uses as much as digits as its factorization.

20046334631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91281.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 20046334631 its reverse (13643364002), we get a palindrome (33689698633).

The spelling of 20046334631 in words is "twenty billion, forty-six million, three hundred thirty-four thousand, six hundred thirty-one".