20323630263365 has 32 divisors (see below), whose sum is σ = 28654014840192. Its totient is φ = 13642902432000.

The previous prime is 20323630263359. The next prime is 20323630263371. The reversal of 20323630263365 is 56336203632302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20323630263359) and next prime (20323630263371).

It is not a de Polignac number, because 20323630263365 - 2²⁰ = 20323629214789 is a prime.

It is a super-2 number, since 2×20323630263365² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9567875 + ... + 11497455.

It is an arithmetic number, because the mean of its divisors is an integer number (895437963756).

Almost surely, 2^{20323630263365} is an apocalyptic number.

It is an amenable number.

20323630263365 is a deficient number, since it is larger than the sum of its proper divisors (8330384576827).

20323630263365 is a wasteful number, since it uses less digits than its factorization.

20323630263365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944341.

The product of its (nonzero) digits is 2099520, while the sum is 44.

Adding to 20323630263365 its reverse (56336203632302), we get a palindrome (76659833895667).

The spelling of 20323630263365 in words is "twenty trillion, three hundred twenty-three billion, six hundred thirty million, two hundred sixty-three thousand, three hundred sixty-five".