1020200200100 has 18 divisors (see below), whose sum is σ = 2213834434434. Its totient is φ = 408080080000.

The previous prime is 1020200200099. The next prime is 1020200200147. The reversal of 1020200200100 is 10020020201.

It can be written as a sum of positive squares in 3 ways, for example, as 357594432064 + 662605768036 = 597992^2 + 814006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5101000901 + ... + 5101001100.

It is an arithmetic number, because the mean of its divisors is an integer number (122990801913).

Almost surely, 2^{1020200200100} is an apocalyptic number.

1020200200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020200200100 is an abundant number, since it is smaller than the sum of its proper divisors (1193634234334).

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

1020200200100 is a wasteful number, since it uses less digits than its factorization.

1020200200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202002015 (or 10202002008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1020200200100 its reverse (10020020201), we get a palindrome (1030220220301).

The spelling of 1020200200100 in words is "one trillion, twenty billion, two hundred million, two hundred thousand, one hundred".