10200100000 has 72 divisors (see below), whose sum is σ = 25100448156. Its totient is φ = 4080000000.

The previous prime is 10200099997. The next prime is 10200100037. The reversal of 10200100000 is 100201.

It can be written as a sum of positive squares in 6 ways, for example, as 3625484944 + 6574615056 = 60212^2 + 81084^2 .

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49000 + ... + 151000.

Almost surely, 2^10200100000 is an apocalyptic number.

10200100000 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 10200100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12550224078).

10200100000 is an abundant number, since it is smaller than the sum of its proper divisors (14900348156).

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

10200100000 is an frugal number, since it uses more digits than its factorization.

10200100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102036 (or 102008 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 10200100000 its reverse (100201), we get a palindrome (10200200201).

The spelling of 10200100000 in words is "ten billion, two hundred million, one hundred thousand".