20345362527263 has 4 divisors (see below), whose sum is σ = 20895237190200. Its totient is φ = 19795487864328.

The previous prime is 20345362527229. The next prime is 20345362527283. The reversal of 20345362527263 is 36272526354302.

It is a happy number.

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 20345362527263 - 2³⁶ = 20276643050527 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 (20345362527283) 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, 274937331413 + ... + 274937331486.

It is an arithmetic number, because the mean of its divisors is an integer number (5223809297550).

Almost surely, 2^{20345362527263} is an apocalyptic number.

20345362527263 is a deficient number, since it is larger than the sum of its proper divisors (549874662937).

20345362527263 is an equidigital number, since it uses as much as digits as its factorization.

20345362527263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549874662936.

The product of its (nonzero) digits is 10886400, while the sum is 50.

The spelling of 20345362527263 in words is "twenty trillion, three hundred forty-five billion, three hundred sixty-two million, five hundred twenty-seven thousand, two hundred sixty-three".