20432132113 has 4 divisors (see below), whose sum is σ = 20432858688. Its totient is φ = 20431405540.

The previous prime is 20432132099. The next prime is 20432132117. The reversal of 20432132113 is 31123123402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20432132113 - 2⁵ = 20432132081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20432132117) 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, 319333 + ... + 377938.

It is an arithmetic number, because the mean of its divisors is an integer number (5108214672).

Almost surely, 2^20432132113 is an apocalyptic number.

It is an amenable number.

20432132113 is a deficient number, since it is larger than the sum of its proper divisors (726575).

20432132113 is an equidigital number, since it uses as much as digits as its factorization.

20432132113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726574.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20432132113 its reverse (31123123402), we get a palindrome (51555255515).

The spelling of 20432132113 in words is "twenty billion, four hundred thirty-two million, one hundred thirty-two thousand, one hundred thirteen".