1000000020200 has 96 divisors (see below), whose sum is σ = 2474655183360. Its totient is φ = 374499302400.

The previous prime is 1000000020197. The next prime is 1000000020221. The reversal of 1000000020200 is 20200000001.

It is a Harshad number since it is a multiple of its sum of digits (5).

1000000020200 is a modest number, since divided by 20200 gives 10000 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120542 + ... + 1419341.

It is an arithmetic number, because the mean of its divisors is an integer number (25777658160).

Almost surely, 2^{1000000020200} is an apocalyptic number.

1000000020200 is a gapful number since it is divisible by the number (10) 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 1000000020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237327591680).

1000000020200 is an abundant number, since it is smaller than the sum of its proper divisors (1474655163160).

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

1000000020200 is a wasteful number, since it uses less digits than its factorization.

1000000020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540107 (or 1540098 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 1000000020200 its reverse (20200000001), we get a palindrome (1020200020201).

The spelling of 1000000020200 in words is "one trillion, twenty thousand, two hundred".