20235353204 has 36 divisors (see below), whose sum is σ = 38957847684. Its totient is φ = 9189840000.

The previous prime is 20235353197. The next prime is 20235353219. The reversal of 20235353204 is 40235353202.

It can be written as a sum of positive squares in 2 ways, for example, as 11835264100 + 8400089104 = 108790^2 + 91652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 553904 + ... + 589304.

Almost surely, 2^20235353204 is an apocalyptic number.

It is an amenable number.

20235353204 is a deficient number, since it is larger than the sum of its proper divisors (18722494480).

20235353204 is a wasteful number, since it uses less digits than its factorization.

20235353204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36608 (or 36595 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

The spelling of 20235353204 in words is "twenty billion, two hundred thirty-five million, three hundred fifty-three thousand, two hundred four".