100220320213 has 4 divisors (see below), whose sum is σ = 107929575628. Its totient is φ = 92511064800.

The previous prime is 100220320163. The next prime is 100220320223. The reversal of 100220320213 is 312023022001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6196523524 + 94023796689 = 78718^2 + 306633^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220320213 - 2¹⁷ = 100220189141 is a prime.

It is a super-2 number, since 2×100220320213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220320223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854627688 + ... + 3854627713.

It is an arithmetic number, because the mean of its divisors is an integer number (26982393907).

Almost surely, 2^100220320213 is an apocalyptic number.

100220320213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100220320213 is a deficient number, since it is larger than the sum of its proper divisors (7709255415).

100220320213 is an equidigital number, since it uses as much as digits as its factorization.

100220320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709255414.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100220320213 its reverse (312023022001), we get a palindrome (412243342214).

The spelling of 100220320213 in words is "one hundred billion, two hundred twenty million, three hundred twenty thousand, two hundred thirteen".