20023111333200 has 120 divisors (see below), whose sum is σ = 66209754931456. Its totient is φ = 5167254528000.

The previous prime is 20023111333133. The next prime is 20023111333229. The reversal of 20023111333200 is 233311132002.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269090641 + ... + 269165040.

Almost surely, 2^{20023111333200} is an apocalyptic number.

20023111333200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023111333200 is an abundant number, since it is smaller than the sum of its proper divisors (46186643598256).

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

20023111333200 is a wasteful number, since it uses less digits than its factorization.

20023111333200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538255733 (or 538255722 counting only the distinct ones).

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

Adding to 20023111333200 its reverse (233311132002), we get a palindrome (20256422465202).

The spelling of 20023111333200 in words is "twenty trillion, twenty-three billion, one hundred eleven million, three hundred thirty-three thousand, two hundred".