20330121200 has 60 divisors (see below), whose sum is σ = 48858546960. Its totient is φ = 8129479680.

The previous prime is 20330121181. The next prime is 20330121221. The reversal of 20330121200 is 212103302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1728941 + ... + 1740659.

It is an arithmetic number, because the mean of its divisors is an integer number (814309116).

Almost surely, 2^20330121200 is an apocalyptic number.

20330121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330121200 is an abundant number, since it is smaller than the sum of its proper divisors (28528425760).

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

20330121200 is a wasteful number, since it uses less digits than its factorization.

20330121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16074 (or 16063 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20330121200 its reverse (212103302), we get a palindrome (20542224502).

The spelling of 20330121200 in words is "twenty billion, three hundred thirty million, one hundred twenty-one thousand, two hundred".