20435366312 has 16 divisors (see below), whose sum is σ = 38351384340. Its totient is φ = 10208330496.

The previous prime is 20435366309. The next prime is 20435366327. The reversal of 20435366312 is 21366353402.

It can be written as a sum of positive squares in 2 ways, for example, as 20416408996 + 18957316 = 142886^2 + 4354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159793 + ... + 1177280.

Almost surely, 2^20435366312 is an apocalyptic number.

It is an amenable number.

20435366312 is a deficient number, since it is larger than the sum of its proper divisors (17916018028).

20435366312 is a wasteful number, since it uses less digits than its factorization.

20435366312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338172 (or 2338168 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 20435366312 in words is "twenty billion, four hundred thirty-five million, three hundred sixty-six thousand, three hundred twelve".