100020829999 has 4 divisors (see below), whose sum is σ = 102460362480. Its totient is φ = 97581297520.

The previous prime is 100020829919. The next prime is 100020830159. The reversal of 100020829999 is 999928020001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100020829999 - 2¹³ = 100020821807 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020829919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219766179 + ... + 1219766260.

It is an arithmetic number, because the mean of its divisors is an integer number (25615090620).

Almost surely, 2^100020829999 is an apocalyptic number.

100020829999 is a deficient number, since it is larger than the sum of its proper divisors (2439532481).

100020829999 is an equidigital number, since it uses as much as digits as its factorization.

100020829999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439532480.

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 100020829999 in words is "one hundred billion, twenty million, eight hundred twenty-nine thousand, nine hundred ninety-nine".