20132430240404 has 12 divisors (see below), whose sum is σ = 35251315261428. Its totient is φ = 10060625880000.

The previous prime is 20132430240389. The next prime is 20132430240463. The reversal of 20132430240404 is 40404203423102.

It can be written as a sum of positive squares in 2 ways, for example, as 1025565340804 + 19106864899600 = 1012702^2 + 4371140^2 .

It is a super-2 number, since 2×20132430240404² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397301947 + ... + 1397316354.

It is an arithmetic number, because the mean of its divisors is an integer number (2937609605119).

Almost surely, 2^{20132430240404} is an apocalyptic number.

It is an amenable number.

20132430240404 is a deficient number, since it is larger than the sum of its proper divisors (15118885021024).

20132430240404 is a wasteful number, since it uses less digits than its factorization.

20132430240404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794620106 (or 2794620104 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20132430240404 its reverse (40404203423102), we get a palindrome (60536633663506).

The spelling of 20132430240404 in words is "twenty trillion, one hundred thirty-two billion, four hundred thirty million, two hundred forty thousand, four hundred four".