20416446263 has 12 divisors (see below), whose sum is σ = 20742025752. Its totient is φ = 20094216480.

The previous prime is 20416446241. The next prime is 20416446269. The reversal of 20416446263 is 36264461402.

It is not a de Polignac number, because 20416446263 - 2⁸ = 20416446007 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 (20416446269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2633573 + ... + 2641313.

It is an arithmetic number, because the mean of its divisors is an integer number (1728502146).

Almost surely, 2^20416446263 is an apocalyptic number.

20416446263 is a deficient number, since it is larger than the sum of its proper divisors (325579489).

20416446263 is an equidigital number, since it uses as much as digits as its factorization.

20416446263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8162 (or 8005 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 20416446263 in words is "twenty billion, four hundred sixteen million, four hundred forty-six thousand, two hundred sixty-three".