20031133233000 has 128 divisors (see below), whose sum is σ = 62512317803520. Its totient is φ = 5340337913600.

The previous prime is 20031133232989. The next prime is 20031133233031. The reversal of 20031133233000 is 33233113002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11572054 + ... + 13189946.

It is an arithmetic number, because the mean of its divisors is an integer number (488377482840).

Almost surely, 2^{20031133233000} is an apocalyptic number.

20031133233000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20031133233000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31256158901760).

20031133233000 is an abundant number, since it is smaller than the sum of its proper divisors (42481184570520).

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

20031133233000 is a wasteful number, since it uses less digits than its factorization.

20031133233000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622044 (or 1622030 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20031133233000 its reverse (33233113002), we get a palindrome (20064366346002).

The spelling of 20031133233000 in words is "twenty trillion, thirty-one billion, one hundred thirty-three million, two hundred thirty-three thousand".