20363416705 has 8 divisors (see below), whose sum is σ = 24537496104. Its totient is φ = 16223136000.

The previous prime is 20363416669. The next prime is 20363416721. The reversal of 20363416705 is 50761436302.

It can be written as a sum of positive squares in 4 ways, for example, as 868834576 + 19494582129 = 29476^2 + 139623^2 .

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

It is not a de Polignac number, because 20363416705 - 2²³ = 20355028097 is a prime.

It is a Duffinian 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, 8448346 + ... + 8450755.

It is an arithmetic number, because the mean of its divisors is an integer number (3067187013).

Almost surely, 2^20363416705 is an apocalyptic number.

It is an amenable number.

20363416705 is a deficient number, since it is larger than the sum of its proper divisors (4174079399).

20363416705 is a wasteful number, since it uses less digits than its factorization.

20363416705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16899347.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 20363416705 in words is "twenty billion, three hundred sixty-three million, four hundred sixteen thousand, seven hundred five".