20132400403 has 8 divisors (see below), whose sum is σ = 20377744128. Its totient is φ = 19887123144.

The previous prime is 20132400349. The next prime is 20132400439. The reversal of 20132400403 is 30400423102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20132400403 - 2¹³ = 20132392211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20132400443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893826 + ... + 916072.

It is an arithmetic number, because the mean of its divisors is an integer number (2547218016).

Almost surely, 2^20132400403 is an apocalyptic number.

20132400403 is a deficient number, since it is larger than the sum of its proper divisors (245343725).

20132400403 is a wasteful number, since it uses less digits than its factorization.

20132400403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33233.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20132400403 its reverse (30400423102), we get a palindrome (50532823505).

The spelling of 20132400403 in words is "twenty billion, one hundred thirty-two million, four hundred thousand, four hundred three".