20500165741 has 8 divisors (see below), whose sum is σ = 22697606304. Its totient is φ = 18358356720.

The previous prime is 20500165663. The next prime is 20500165747. The reversal of 20500165741 is 14756100502.

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

It is not a de Polignac number, because 20500165741 - 2²⁷ = 20365948013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20500165747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13907110 + ... + 13908583.

It is an arithmetic number, because the mean of its divisors is an integer number (2837200788).

Almost surely, 2^20500165741 is an apocalyptic number.

It is an amenable number.

20500165741 is a deficient number, since it is larger than the sum of its proper divisors (2197440563).

20500165741 is a wasteful number, since it uses less digits than its factorization.

20500165741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27815771.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 20500165741 in words is "twenty billion, five hundred million, one hundred sixty-five thousand, seven hundred forty-one".