1000200021030 has 192 divisors, whose sum is σ = 3187474467840. Its totient is φ = 212498028288.

The previous prime is 1000200021019. The next prime is 1000200021053. The reversal of 1000200021030 is 301200020001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 153882 + ... + 1422701.

It is an arithmetic number, because the mean of its divisors is an integer number (16601429520).

Almost surely, 2^{1000200021030} is an apocalyptic number.

1000200021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000200021030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593737233920).

1000200021030 is an abundant number, since it is smaller than the sum of its proper divisors (2187274446810).

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

1000200021030 is a wasteful number, since it uses less digits than its factorization.

1000200021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576675 (or 1576672 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 1000200021030 its reverse (301200020001), we get a palindrome (1301400041031).

The spelling of 1000200021030 in words is "one trillion, two hundred million, twenty-one thousand, thirty".