20135745007165 has 8 divisors (see below), whose sum is σ = 24225982507008. Its totient is φ = 16066537006800.

The previous prime is 20135745007111. The next prime is 20135745007177. The reversal of 20135745007165 is 56170054753102.

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

It is not a de Polignac number, because 20135745007165 - 2⁹ = 20135745006653 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5257372761 + ... + 5257376590.

It is an arithmetic number, because the mean of its divisors is an integer number (3028247813376).

Almost surely, 2^{20135745007165} is an apocalyptic number.

It is an amenable number.

20135745007165 is a deficient number, since it is larger than the sum of its proper divisors (4090237499843).

20135745007165 is a wasteful number, since it uses less digits than its factorization.

20135745007165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10514749739.

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 20135745007165 in words is "twenty trillion, one hundred thirty-five billion, seven hundred forty-five million, seven thousand, one hundred sixty-five".