200004242100 has 144 divisors (see below), whose sum is σ = 624008310912. Its totient is φ = 49167383040.

The previous prime is 200004242069. The next prime is 200004242107. The reversal of 200004242100 is 1242400002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200004242100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200004242107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2981529 + ... + 3047871.

It is an arithmetic number, because the mean of its divisors is an integer number (4333391048).

Almost surely, 2^200004242100 is an apocalyptic number.

200004242100 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 200004242100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312004155456).

200004242100 is an abundant number, since it is smaller than the sum of its proper divisors (424004068812).

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

200004242100 is a wasteful number, since it uses less digits than its factorization.

200004242100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67146 (or 67139 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 200004242100 its reverse (1242400002), we get a palindrome (201246642102).

The spelling of 200004242100 in words is "two hundred billion, four million, two hundred forty-two thousand, one hundred".