20473475012 has 12 divisors (see below), whose sum is σ = 35845912620. Its totient is φ = 10231785696.

The previous prime is 20473474981. The next prime is 20473475021. The reversal of 20473475012 is 21057437402.

It can be written as a sum of positive squares in 2 ways, for example, as 9394649476 + 11078825536 = 96926^2 + 105256^2 .

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, 1228643 + ... + 1245194.

It is an arithmetic number, because the mean of its divisors is an integer number (2987159385).

Almost surely, 2^20473475012 is an apocalyptic number.

It is an amenable number.

20473475012 is a deficient number, since it is larger than the sum of its proper divisors (15372437608).

20473475012 is a wasteful number, since it uses less digits than its factorization.

20473475012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475910 (or 2475908 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 20473475012 in words is "twenty billion, four hundred seventy-three million, four hundred seventy-five thousand, twelve".