20132400422 has 16 divisors (see below), whose sum is σ = 30443787792. Its totient is φ = 9984780960.

The previous prime is 20132400349. The next prime is 20132400439. The reversal of 20132400422 is 22400423102.

It is a junction number, because it is equal to n+sod(n) for n = 20132400394 and 20132400403.

It is a congruent number.

It is an unprimeable number.

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, 53228 + ... + 207600.

It is an arithmetic number, because the mean of its divisors is an integer number (1902736737).

Almost surely, 2^20132400422 is an apocalyptic number.

20132400422 is a deficient number, since it is larger than the sum of its proper divisors (10311387370).

20132400422 is a wasteful number, since it uses less digits than its factorization.

20132400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154903.

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

Adding to 20132400422 its reverse (22400423102), we get a palindrome (42532823524).

The spelling of 20132400422 in words is "twenty billion, one hundred thirty-two million, four hundred thousand, four hundred twenty-two".