20003004312 has 16 divisors (see below), whose sum is σ = 50007510840. Its totient is φ = 6667668096.

The previous prime is 20003004257. The next prime is 20003004331. The reversal of 20003004312 is 21340030002.

It is a junction number, because it is equal to n+sod(n) for n = 20003004291 and 20003004300.

It is a congruent number.

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, 416729233 + ... + 416729280.

Almost surely, 2^20003004312 is an apocalyptic number.

It is an amenable number.

20003004312 is an abundant number, since it is smaller than the sum of its proper divisors (30004506528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003004312 is a wasteful number, since it uses less digits than its factorization.

20003004312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833458522 (or 833458518 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20003004312 its reverse (21340030002), we get a palindrome (41343034314).

The spelling of 20003004312 in words is "twenty billion, three million, four thousand, three hundred twelve".