20333030312 has 16 divisors (see below), whose sum is σ = 43570779360. Its totient is φ = 8714155824.

The previous prime is 20333030281. The next prime is 20333030321. The reversal of 20333030312 is 21303033302.

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, 181544858 + ... + 181544969.

It is an arithmetic number, because the mean of its divisors is an integer number (2723173710).

Almost surely, 2^20333030312 is an apocalyptic number.

It is an amenable number.

20333030312 is an abundant number, since it is smaller than the sum of its proper divisors (23237749048).

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

20333030312 is a wasteful number, since it uses less digits than its factorization.

20333030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363089840 (or 363089836 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20333030312 its reverse (21303033302), we get a palindrome (41636063614).

The spelling of 20333030312 in words is "twenty billion, three hundred thirty-three million, thirty thousand, three hundred twelve".