20057744305 has 16 divisors (see below), whose sum is σ = 24121390464. Its totient is φ = 16011508480.

The previous prime is 20057744261. The next prime is 20057744309. The reversal of 20057744305 is 50344775002.

It is a happy number.

It is not a de Polignac number, because 20057744305 - 2⁷ = 20057744177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20057744309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6034374 + ... + 6037696.

It is an arithmetic number, because the mean of its divisors is an integer number (1507586904).

Almost surely, 2^20057744305 is an apocalyptic number.

It is an amenable number.

20057744305 is a deficient number, since it is larger than the sum of its proper divisors (4063646159).

20057744305 is a wasteful number, since it uses less digits than its factorization.

20057744305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5576.

The product of its (nonzero) digits is 117600, while the sum is 37.

The spelling of 20057744305 in words is "twenty billion, fifty-seven million, seven hundred forty-four thousand, three hundred five".