20017051701 has 8 divisors (see below), whose sum is σ = 26765877600. Its totient is φ = 13306463472.

The previous prime is 20017051697. The next prime is 20017051711. The reversal of 20017051701 is 10715071002.

It is a happy number.

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

It is not a de Polignac number, because 20017051701 - 2² = 20017051697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20017051711) 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, 9558195 + ... + 9560288.

It is an arithmetic number, because the mean of its divisors is an integer number (3345734700).

Almost surely, 2^20017051701 is an apocalyptic number.

It is an amenable number.

20017051701 is a deficient number, since it is larger than the sum of its proper divisors (6748825899).

20017051701 is a wasteful number, since it uses less digits than its factorization.

20017051701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19118835.

The product of its (nonzero) digits is 490, while the sum is 24.

The spelling of 20017051701 in words is "twenty billion, seventeen million, fifty-one thousand, seven hundred one".