201100020204 has 24 divisors (see below), whose sum is σ = 475173045760. Its totient is φ = 66184816464.

The previous prime is 201100020203. The next prime is 201100020211. The reversal of 201100020204 is 402020001102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 201100020204.

It is not an unprimeable number, because it can be changed into a prime (201100020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106064464 + ... + 106066359.

Almost surely, 2^201100020204 is an apocalyptic number.

It is an amenable number.

201100020204 is an abundant number, since it is smaller than the sum of its proper divisors (274073025556).

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

201100020204 is a wasteful number, since it uses less digits than its factorization.

201100020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212130909 (or 212130907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201100020204 its reverse (402020001102), we get a palindrome (603120021306).

The spelling of 201100020204 in words is "two hundred one billion, one hundred million, twenty thousand, two hundred four".