100506220402 has 128 divisors (see below), whose sum is σ = 187505049600. Its totient is φ = 39484972800.

The previous prime is 100506220379. The next prime is 100506220403. The reversal of 100506220402 is 204022605001.

It is not an unprimeable number, because it can be changed into a prime (100506220403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 269453488 + ... + 269453860.

It is an arithmetic number, because the mean of its divisors is an integer number (1464883200).

Almost surely, 2^100506220402 is an apocalyptic number.

100506220402 is a deficient number, since it is larger than the sum of its proper divisors (86998829198).

100506220402 is a wasteful number, since it uses less digits than its factorization.

100506220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 100506220402 its reverse (204022605001), we get a palindrome (304528825403).

The spelling of 100506220402 in words is "one hundred billion, five hundred six million, two hundred twenty thousand, four hundred two".