20040132404 has 12 divisors (see below), whose sum is σ = 36201529728. Its totient is φ = 9696838200.

The previous prime is 20040132401. The next prime is 20040132439. The reversal of 20040132404 is 40423104002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040132401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80806862 + ... + 80807109.

It is an arithmetic number, because the mean of its divisors is an integer number (3016794144).

Almost surely, 2^20040132404 is an apocalyptic number.

It is an amenable number.

20040132404 is a deficient number, since it is larger than the sum of its proper divisors (16161397324).

20040132404 is a wasteful number, since it uses less digits than its factorization.

20040132404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161614006 (or 161614004 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20040132404 its reverse (40423104002), we get a palindrome (60463236406).

The spelling of 20040132404 in words is "twenty billion, forty million, one hundred thirty-two thousand, four hundred four".