1000200019998 has 48 divisors (see below), whose sum is σ = 2193626251440. Its totient is φ = 302967931392.

The previous prime is 1000200019997. The next prime is 1000200020009. The reversal of 1000200019998 is 8999100020001.

It is a happy number.

1000200019998 is a modest number, since divided by 19998 gives 10002 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000200019997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5744113 + ... + 5915676.

It is an arithmetic number, because the mean of its divisors is an integer number (45700546905).

Almost surely, 2^{1000200019998} is an apocalyptic number.

1000200019998 is an abundant number, since it is smaller than the sum of its proper divisors (1193426231442).

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

1000200019998 is a wasteful number, since it uses less digits than its factorization.

1000200019998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11659869 (or 11659840 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 39.

Adding to 1000200019998 its reverse (8999100020001), we get a palindrome (9999300039999).

The spelling of 1000200019998 in words is "one trillion, two hundred million, nineteen thousand, nine hundred ninety-eight".