20333120312 has 8 divisors (see below), whose sum is σ = 38124600600. Its totient is φ = 10166560152.

The previous prime is 20333120303. The next prime is 20333120359. The reversal of 20333120312 is 21302133302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270820012 + ... + 1270820027.

It is an arithmetic number, because the mean of its divisors is an integer number (4765575075).

Almost surely, 2^20333120312 is an apocalyptic number.

It is an amenable number.

20333120312 is a deficient number, since it is larger than the sum of its proper divisors (17791480288).

20333120312 is a wasteful number, since it uses less digits than its factorization.

20333120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541640045 (or 2541640041 counting only the distinct ones).

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

Adding to 20333120312 its reverse (21302133302), we get a palindrome (41635253614).

The spelling of 20333120312 in words is "twenty billion, three hundred thirty-three million, one hundred twenty thousand, three hundred twelve".