20001100230 has 32 divisors (see below), whose sum is σ = 53336268000. Its totient is φ = 5333626656.

The previous prime is 20001100199. The next prime is 20001100237. The reversal of 20001100230 is 3200110002.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001100237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37038805 + ... + 37039344.

It is an arithmetic number, because the mean of its divisors is an integer number (1666758375).

Almost surely, 2^20001100230 is an apocalyptic number.

20001100230 is an abundant number, since it is smaller than the sum of its proper divisors (33335167770).

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

20001100230 is a wasteful number, since it uses less digits than its factorization.

20001100230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74078165 (or 74078159 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20001100230 its reverse (3200110002), we get a palindrome (23201210232).

The spelling of 20001100230 in words is "twenty billion, one million, one hundred thousand, two hundred thirty".