20344458255 has 32 divisors (see below), whose sum is σ = 35590613760. Its totient is φ = 9841678080.

The previous prime is 20344458227. The next prime is 20344458269. The reversal of 20344458255 is 55285444302.

It is not a de Polignac number, because 20344458255 - 2⁶ = 20344458191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66070 + ... + 212259.

It is an arithmetic number, because the mean of its divisors is an integer number (1112206680).

Almost surely, 2^20344458255 is an apocalyptic number.

20344458255 is a deficient number, since it is larger than the sum of its proper divisors (15246155505).

20344458255 is a wasteful number, since it uses less digits than its factorization.

20344458255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278791.

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 20344458255 in words is "twenty billion, three hundred forty-four million, four hundred fifty-eight thousand, two hundred fifty-five".