200001002442 has 32 divisors (see below), whose sum is σ = 401972163840. Its totient is φ = 66339053760.

The previous prime is 200001002423. The next prime is 200001002447. The reversal of 200001002442 is 244200100002.

It is not an unprimeable number, because it can be changed into a prime (200001002447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1918092 + ... + 2019672.

It is an arithmetic number, because the mean of its divisors is an integer number (12561630120).

Almost surely, 2^200001002442 is an apocalyptic number.

200001002442 is an abundant number, since it is smaller than the sum of its proper divisors (201971161398).

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

200001002442 is a wasteful number, since it uses less digits than its factorization.

200001002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103198.

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

Adding to 200001002442 its reverse (244200100002), we get a palindrome (444201102444).

The spelling of 200001002442 in words is "two hundred billion, one million, two thousand, four hundred forty-two".