20204382245 has 16 divisors (see below), whose sum is σ = 25129006320. Its totient is φ = 15582357504.

The previous prime is 20204382229. The next prime is 20204382257. The reversal of 20204382245 is 54228340202.

It can be written as a sum of positive squares in 8 ways, for example, as 225690529 + 19978691716 = 15023^2 + 141346^2 .

It is a cyclic number.

It is not a de Polignac number, because 20204382245 - 2⁴ = 20204382229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480812 + ... + 521141.

It is an arithmetic number, because the mean of its divisors is an integer number (1570562895).

Almost surely, 2^20204382245 is an apocalyptic number.

It is an amenable number.

20204382245 is a deficient number, since it is larger than the sum of its proper divisors (4924624075).

20204382245 is a wasteful number, since it uses less digits than its factorization.

20204382245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002104.

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 20204382245 in words is "twenty billion, two hundred four million, three hundred eighty-two thousand, two hundred forty-five".