20000200111002 has 96 divisors (see below), whose sum is σ = 45548560062720. Its totient is φ = 6334503315840.

The previous prime is 20000200110949. The next prime is 20000200111019. The reversal of 20000200111002 is 20011100200002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157989852 + ... + 158116392.

It is an arithmetic number, because the mean of its divisors is an integer number (474464167320).

Almost surely, 2^{20000200111002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000200111002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22774280031360).

20000200111002 is an abundant number, since it is smaller than the sum of its proper divisors (25548359951718).

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

20000200111002 is a wasteful number, since it uses less digits than its factorization.

20000200111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132148 (or 132145 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20000200111002 its reverse (20011100200002), we get a palindrome (40011300311004).

It can be divided in two parts, 20000 and 200111002, that added together give a palindrome (200131002).

The spelling of 20000200111002 in words is "twenty trillion, two hundred million, one hundred eleven thousand, two".