20263346063 has 4 divisors (see below), whose sum is σ = 20266070880. Its totient is φ = 20260621248.

The previous prime is 20263346053. The next prime is 20263346093. The reversal of 20263346063 is 36064336202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20263346063 - 2²⁴ = 20246568847 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 (20263346003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351223 + ... + 1366136.

It is an arithmetic number, because the mean of its divisors is an integer number (5066517720).

Almost surely, 2^20263346063 is an apocalyptic number.

20263346063 is a deficient number, since it is larger than the sum of its proper divisors (2724817).

20263346063 is an equidigital number, since it uses as much as digits as its factorization.

20263346063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724816.

The product of its (nonzero) digits is 93312, while the sum is 35.

The spelling of 20263346063 in words is "twenty billion, two hundred sixty-three million, three hundred forty-six thousand, sixty-three".