100320220442 has 8 divisors (see below), whose sum is σ = 162055740756. Its totient is φ = 46301640192.

The previous prime is 100320220373. The next prime is 100320220453. The reversal of 100320220442 is 244022023001.

It can be written as a sum of positive squares in 2 ways, for example, as 97393302241 + 2926918201 = 312079^2 + 54101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1929234983 + ... + 1929235034.

Almost surely, 2^100320220442 is an apocalyptic number.

100320220442 is a deficient number, since it is larger than the sum of its proper divisors (61735520314).

100320220442 is a wasteful number, since it uses less digits than its factorization.

100320220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858470032.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 100320220442 its reverse (244022023001), we get a palindrome (344342243443).

The spelling of 100320220442 in words is "one hundred billion, three hundred twenty million, two hundred twenty thousand, four hundred forty-two".