20164257701 has 8 divisors (see below), whose sum is σ = 23048108160. Its totient is φ = 17281217808.

The previous prime is 20164257697. The next prime is 20164257793. The reversal of 20164257701 is 10775246102.

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 20164257701 - 2² = 20164257697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20164257101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148361 + ... + 249678.

It is an arithmetic number, because the mean of its divisors is an integer number (2881013520).

Almost surely, 2^20164257701 is an apocalyptic number.

It is an amenable number.

20164257701 is a deficient number, since it is larger than the sum of its proper divisors (2883850459).

20164257701 is an equidigital number, since it uses as much as digits as its factorization.

20164257701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405283.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 20164257701 in words is "twenty billion, one hundred sixty-four million, two hundred fifty-seven thousand, seven hundred one".