100422501320 has 32 divisors (see below), whose sum is σ = 239241843000. Its totient is φ = 37806117888.

The previous prime is 100422501239. The next prime is 100422501349. The reversal of 100422501320 is 23105224001.

It can be written as a sum of positive squares in 4 ways, for example, as 76367111716 + 24055389604 = 276346^2 + 155098^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100422501292 and 100422501301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73839395 + ... + 73840754.

Almost surely, 2^100422501320 is an apocalyptic number.

100422501320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100422501320 is an abundant number, since it is smaller than the sum of its proper divisors (138819341680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100422501320 is a wasteful number, since it uses less digits than its factorization.

100422501320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147680177 (or 147680173 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 100422501320 its reverse (23105224001), we get a palindrome (123527725321).

The spelling of 100422501320 in words is "one hundred billion, four hundred twenty-two million, five hundred one thousand, three hundred twenty".