20344513054132 has 24 divisors (see below), whose sum is σ = 35843251852800. Its totient is φ = 10103589319200.

The previous prime is 20344513054109. The next prime is 20344513054133. The reversal of 20344513054132 is 23145031544302.

It is a super-2 number, since 2×20344513054132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20344513054091 and 20344513054100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344513054133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14809113 + ... + 16124479.

It is an arithmetic number, because the mean of its divisors is an integer number (1493468827200).

Almost surely, 2^{20344513054132} is an apocalyptic number.

It is an amenable number.

20344513054132 is a deficient number, since it is larger than the sum of its proper divisors (15498738798668).

20344513054132 is a wasteful number, since it uses less digits than its factorization.

20344513054132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341471 (or 1341469 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 20344513054132 its reverse (23145031544302), we get a palindrome (43489544598434).

The spelling of 20344513054132 in words is "twenty trillion, three hundred forty-four billion, five hundred thirteen million, fifty-four thousand, one hundred thirty-two".