20303213312 has 36 divisors (see below), whose sum is σ = 40547224536. Its totient is φ = 10146570240.

The previous prime is 20303213279. The next prime is 20303213327. The reversal of 20303213312 is 21331230302.

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, 526928 + ... + 564144.

Almost surely, 2^20303213312 is an apocalyptic number.

It is an amenable number.

20303213312 is a deficient number, since it is larger than the sum of its proper divisors (20244011224).

20303213312 is an equidigital number, since it uses as much as digits as its factorization.

20303213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39364 (or 39350 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20303213312 its reverse (21331230302), we get a palindrome (41634443614).

The spelling of 20303213312 in words is "twenty billion, three hundred three million, two hundred thirteen thousand, three hundred twelve".