100220793 has 16 divisors (see below), whose sum is σ = 135071040. Its totient is φ = 66096576.

The previous prime is 100220789. The next prime is 100220819. The reversal of 100220793 is 397022001.

It is not a de Polignac number, because 100220793 - 2² = 100220789 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100220693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182946 + ... + 183492.

It is an arithmetic number, because the mean of its divisors is an integer number (8441940).

Almost surely, 2^100220793 is an apocalyptic number.

It is an amenable number.

100220793 is a deficient number, since it is larger than the sum of its proper divisors (34850247).

100220793 is a wasteful number, since it uses less digits than its factorization.

100220793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 100220793 is about 10011.0335630243. The cubic root of 100220793 is about 464.5002423599.

Adding to 100220793 its reverse (397022001), we get a palindrome (497242794).

The spelling of 100220793 in words is "one hundred million, two hundred twenty thousand, seven hundred ninety-three".