20130233340424 has 32 divisors (see below), whose sum is σ = 40101000730200. Its totient is φ = 9455393848320.

The previous prime is 20130233340407. The next prime is 20130233340431. The reversal of 20130233340424 is 42404333203102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19138157579524 + 992075760900 = 4374718^2 + 996030^2 .

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, 1172535297 + ... + 1172552464.

Almost surely, 2^{20130233340424} is an apocalyptic number.

It is an amenable number.

20130233340424 is a deficient number, since it is larger than the sum of its proper divisors (19970767389776).

20130233340424 is a wasteful number, since it uses less digits than its factorization.

20130233340424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345087833 (or 2345087829 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20130233340424 its reverse (42404333203102), we get a palindrome (62534566543526).

The spelling of 20130233340424 in words is "twenty trillion, one hundred thirty billion, two hundred thirty-three million, three hundred forty thousand, four hundred twenty-four".