20432161158 has 8 divisors (see below), whose sum is σ = 40864322328. Its totient is φ = 6810720384.

The previous prime is 20432161147. The next prime is 20432161171. The reversal of 20432161158 is 85116123402.

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

20432161158 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702680091 + ... + 1702680102.

It is an arithmetic number, because the mean of its divisors is an integer number (5108040291).

Almost surely, 2^20432161158 is an apocalyptic number.

20432161158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20432161158 is a wasteful number, since it uses less digits than its factorization.

20432161158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405360198.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 20432161158 in words is "twenty billion, four hundred thirty-two million, one hundred sixty-one thousand, one hundred fifty-eight".