20473474312 has 16 divisors (see below), whose sum is σ = 39324051900. Its totient is φ = 9987060480.

The previous prime is 20473474279. The next prime is 20473474313. The reversal of 20473474312 is 21347437402.

It can be written as a sum of positive squares in 2 ways, for example, as 20330767396 + 142706916 = 142586^2 + 11946^2 .

It is not an unprimeable number, because it can be changed into a prime (20473474313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31209237 + ... + 31209892.

Almost surely, 2^20473474312 is an apocalyptic number.

It is an amenable number.

20473474312 is a deficient number, since it is larger than the sum of its proper divisors (18850577588).

20473474312 is a wasteful number, since it uses less digits than its factorization.

20473474312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62419176 (or 62419172 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 20473474312 in words is "twenty billion, four hundred seventy-three million, four hundred seventy-four thousand, three hundred twelve".