20331212033100 has 36 divisors (see below), whose sum is σ = 58824973483304. Its totient is φ = 5421656542080.

The previous prime is 20331212033039. The next prime is 20331212033101. The reversal of 20331212033100 is 133021213302.

It is a super-2 number, since 2×20331212033100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20331212033101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33885353089 + ... + 33885353688.

Almost surely, 2^{20331212033100} is an apocalyptic number.

20331212033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331212033100 is an abundant number, since it is smaller than the sum of its proper divisors (38493761450204).

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

20331212033100 is a wasteful number, since it uses less digits than its factorization.

20331212033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67770706794 (or 67770706787 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20331212033100 its reverse (133021213302), we get a palindrome (20464233246402).

The spelling of 20331212033100 in words is "twenty trillion, three hundred thirty-one billion, two hundred twelve million, thirty-three thousand, one hundred".