20456372274206 has 48 divisors (see below), whose sum is σ = 33867444709392. Its totient is φ = 9259891280640.

The previous prime is 20456372274203. The next prime is 20456372274241. The reversal of 20456372274206 is 60247227365402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20456372274203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57139496 + ... + 57496388.

It is an arithmetic number, because the mean of its divisors is an integer number (705571764779).

Almost surely, 2^{20456372274206} is an apocalyptic number.

20456372274206 is a deficient number, since it is larger than the sum of its proper divisors (13411072435186).

20456372274206 is a wasteful number, since it uses less digits than its factorization.

20456372274206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357897 (or 357886 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 50.

The spelling of 20456372274206 in words is "twenty trillion, four hundred fifty-six billion, three hundred seventy-two million, two hundred seventy-four thousand, two hundred six".