20001233001200 has 60 divisors (see below), whose sum is σ = 52421413413768. Its totient is φ = 7273175635200.

The previous prime is 20001233001107. The next prime is 20001233001221. The reversal of 20001233001200 is 210033210002.

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, 2272862987 + ... + 2272871786.

Almost surely, 2^{20001233001200} is an apocalyptic number.

20001233001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001233001200 is an abundant number, since it is smaller than the sum of its proper divisors (32420180412568).

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

20001233001200 is a wasteful number, since it uses less digits than its factorization.

20001233001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545734802 (or 4545734791 counting only the distinct ones).

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

Adding to 20001233001200 its reverse (210033210002), we get a palindrome (20211266211202).

The spelling of 20001233001200 in words is "twenty trillion, one billion, two hundred thirty-three million, one thousand, two hundred".