20740605195 has 8 divisors (see below), whose sum is σ = 33184968336. Its totient is φ = 11061656096.

The previous prime is 20740605107. The next prime is 20740605233. The reversal of 20740605195 is 59150604702.

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

It is a cyclic number.

It is not a de Polignac number, because 20740605195 - 2⁸ = 20740604939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691353492 + ... + 691353521.

It is an arithmetic number, because the mean of its divisors is an integer number (4148121042).

Almost surely, 2^20740605195 is an apocalyptic number.

20740605195 is a deficient number, since it is larger than the sum of its proper divisors (12444363141).

20740605195 is a wasteful number, since it uses less digits than its factorization.

20740605195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382707021.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 20740605195 in words is "twenty billion, seven hundred forty million, six hundred five thousand, one hundred ninety-five".