20729141192 has 16 divisors (see below), whose sum is σ = 38873727900. Its totient is φ = 10362813760.

The previous prime is 20729141149. The next prime is 20729141201. The reversal of 20729141192 is 29114192702.

It can be written as a sum of positive squares in 2 ways, for example, as 18309878596 + 2419262596 = 135314^2 + 49186^2 .

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, 168767 + ... + 264462.

Almost surely, 2^20729141192 is an apocalyptic number.

It is an amenable number.

20729141192 is a deficient number, since it is larger than the sum of its proper divisors (18144586708).

20729141192 is a wasteful number, since it uses less digits than its factorization.

20729141192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439216 (or 439212 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 20729141192 in words is "twenty billion, seven hundred twenty-nine million, one hundred forty-one thousand, one hundred ninety-two".