20630131431326 has 16 divisors (see below), whose sum is σ = 31352600975040. Its totient is φ = 10179395210400.

The previous prime is 20630131431251. The next prime is 20630131431331. The reversal of 20630131431326 is 62313413103602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32376125 + ... + 33007176.

It is an arithmetic number, because the mean of its divisors is an integer number (1959537560940).

Almost surely, 2^{20630131431326} is an apocalyptic number.

20630131431326 is a deficient number, since it is larger than the sum of its proper divisors (10722469543714).

20630131431326 is a wasteful number, since it uses less digits than its factorization.

20630131431326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65385379.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 20630131431326 its reverse (62313413103602), we get a palindrome (82943544534928).

The spelling of 20630131431326 in words is "twenty trillion, six hundred thirty billion, one hundred thirty-one million, four hundred thirty-one thousand, three hundred twenty-six".