100000020003210 has 96 divisors (see below), whose sum is σ = 267246505470672. Its totient is φ = 25924630487040.

The previous prime is 100000020003167. The next prime is 100000020003227. The reversal of 100000020003210 is 12300020000001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 67793634548721 + 32206385454489 = 8233689^2 + 5675067^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100000020003192 and 100000020003201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8285121 + ... + 16390340.

Almost surely, 2^{100000020003210} is an apocalyptic number.

100000020003210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100000020003210 is an abundant number, since it is smaller than the sum of its proper divisors (167246485467462).

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

100000020003210 is a wasteful number, since it uses less digits than its factorization.

100000020003210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24676728 (or 24676725 counting only the distinct ones).

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

Adding to 100000020003210 its reverse (12300020000001), we get a palindrome (112300040003211).

The spelling of 100000020003210 in words is "one hundred trillion, twenty million, three thousand, two hundred ten".