20110200000 has 504 divisors, whose sum is σ = 73365585552. Its totient is φ = 4857600000.

The previous prime is 20110199981. The next prime is 20110200007. The reversal of 20110200000 is 201102.

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 not an unprimeable number, because it can be changed into a prime (20110200007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72599862 + ... + 72600138.

It is an arithmetic number, because the mean of its divisors is an integer number (145566638).

Almost surely, 2^20110200000 is an apocalyptic number.

20110200000 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 20110200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36682792776).

20110200000 is an abundant number, since it is smaller than the sum of its proper divisors (53255385552).

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

20110200000 is an equidigital number, since it uses as much as digits as its factorization.

20110200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 298 counting only the distinct ones).

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

Adding to 20110200000 its reverse (201102), we get a palindrome (20110401102).

20110200000 divided by its reverse (201102) gives a 5-th power (100000 = 10⁵).

It can be divided in two parts, 201 and 10200000, that added together give a palindrome (10200201).

The spelling of 20110200000 in words is "twenty billion, one hundred ten million, two hundred thousand".