20413223026663 has 8 divisors (see below), whose sum is σ = 20471612779728. Its totient is φ = 20354836449024.

The previous prime is 20413223026607. The next prime is 20413223026709. The reversal of 20413223026663 is 36662032231402.

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 20413223026663 - 2²¹ = 20413220929511 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 (20413223027663) 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, 12394345 + ... + 13944397.

It is an arithmetic number, because the mean of its divisors is an integer number (2558951597466).

Almost surely, 2^{20413223026663} is an apocalyptic number.

20413223026663 is a deficient number, since it is larger than the sum of its proper divisors (58389753065).

20413223026663 is a wasteful number, since it uses less digits than its factorization.

20413223026663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587713.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 20413223026663 in words is "twenty trillion, four hundred thirteen billion, two hundred twenty-three million, twenty-six thousand, six hundred sixty-three".