20701051165 has 8 divisors (see below), whose sum is σ = 25140554208. Its totient is φ = 16361312400.

The previous prime is 20701051103. The next prime is 20701051177. The reversal of 20701051165 is 56115010702.

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

It is not a de Polignac number, because 20701051165 - 2¹⁹ = 20700526877 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, 24940611 + ... + 24941440.

It is an arithmetic number, because the mean of its divisors is an integer number (3142569276).

Almost surely, 2^20701051165 is an apocalyptic number.

It is an amenable number.

20701051165 is a deficient number, since it is larger than the sum of its proper divisors (4439503043).

20701051165 is an equidigital number, since it uses as much as digits as its factorization.

20701051165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49882139.

The product of its (nonzero) digits is 2100, while the sum is 28.

Adding to 20701051165 its reverse (56115010702), we get a palindrome (76816061867).

The spelling of 20701051165 in words is "twenty billion, seven hundred one million, fifty-one thousand, one hundred sixty-five".