20432400119 has 4 divisors (see below), whose sum is σ = 20767357560. Its totient is φ = 20097442680.

The previous prime is 20432400017. The next prime is 20432400127. The reversal of 20432400119 is 91100423402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20432400119 is a prime.

It is a super-2 number, since 2×20432400119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432400169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167478629 + ... + 167478750.

It is an arithmetic number, because the mean of its divisors is an integer number (5191839390).

Almost surely, 2^20432400119 is an apocalyptic number.

20432400119 is a deficient number, since it is larger than the sum of its proper divisors (334957441).

20432400119 is an equidigital number, since it uses as much as digits as its factorization.

20432400119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334957440.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 20432400119 in words is "twenty billion, four hundred thirty-two million, four hundred thousand, one hundred nineteen".