20456448262 has 24 divisors (see below), whose sum is σ = 34013060496. Its totient is φ = 9208011648.

The previous prime is 20456448227. The next prime is 20456448263. The reversal of 20456448262 is 26284465402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20456448263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756093 + ... + 782680.

It is an arithmetic number, because the mean of its divisors is an integer number (1417210854).

Almost surely, 2^20456448262 is an apocalyptic number.

20456448262 is a deficient number, since it is larger than the sum of its proper divisors (13556612234).

20456448262 is a wasteful number, since it uses less digits than its factorization.

20456448262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538832 (or 1538815 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 20456448262 in words is "twenty billion, four hundred fifty-six million, four hundred forty-eight thousand, two hundred sixty-two".