20860062317 has 8 divisors (see below), whose sum is σ = 20910132600. Its totient is φ = 20810041344.

The previous prime is 20860062299. The next prime is 20860062329. The reversal of 20860062317 is 71326006802.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18092671081 + 2767391236 = 134509^2 + 52606^2 .

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 20860062317 - 2⁶ = 20860062253 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 (20860062397) 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, 917159 + ... + 939627.

It is an arithmetic number, because the mean of its divisors is an integer number (2613766575).

Almost surely, 2^20860062317 is an apocalyptic number.

It is an amenable number.

20860062317 is a deficient number, since it is larger than the sum of its proper divisors (50070283).

20860062317 is a wasteful number, since it uses less digits than its factorization.

20860062317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24655.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 20860062317 in words is "twenty billion, eight hundred sixty million, sixty-two thousand, three hundred seventeen".