10200100002000 has 160 divisors (see below), whose sum is σ = 32894269274880. Its totient is φ = 2719270105600.

The previous prime is 10200100001983. The next prime is 10200100002061. The reversal of 10200100002000 is 20000100201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 10200100002000.

It is a congruent number.

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, 21503386 + ... + 21972614.

It is an arithmetic number, because the mean of its divisors is an integer number (205589182968).

Almost surely, 2^{10200100002000} is an apocalyptic number.

10200100002000 is a gapful number since it is divisible by the number (10) 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 10200100002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16447134637440).

10200100002000 is an abundant number, since it is smaller than the sum of its proper divisors (22694169272880).

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

10200100002000 is a wasteful number, since it uses less digits than its factorization.

10200100002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472878 (or 472862 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 10200100002000 its reverse (20000100201), we get a palindrome (10220100102201).

The spelling of 10200100002000 in words is "ten trillion, two hundred billion, one hundred million, two thousand".