20010021133000 has 128 divisors (see below), whose sum is σ = 49355117136000. Its totient is φ = 7572394771200.

The previous prime is 20010021132971. The next prime is 20010021133027. The reversal of 20010021133000 is 33112001002.

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, 13208611 + ... + 14645389.

It is an arithmetic number, because the mean of its divisors is an integer number (385586852625).

Almost surely, 2^{20010021133000} is an apocalyptic number.

20010021133000 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 20010021133000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24677558568000).

20010021133000 is an abundant number, since it is smaller than the sum of its proper divisors (29345096003000).

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

20010021133000 is a wasteful number, since it uses less digits than its factorization.

20010021133000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437552 (or 1437538 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20010021133000 its reverse (33112001002), we get a palindrome (20043133134002).

The spelling of 20010021133000 in words is "twenty trillion, ten billion, twenty-one million, one hundred thirty-three thousand".