100320405104 has 80 divisors (see below), whose sum is σ = 197604912000. Its totient is φ = 49334987520.

The previous prime is 100320405103. The next prime is 100320405167. The reversal of 100320405104 is 401504023001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320405103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201042647 + ... + 201043145.

It is an arithmetic number, because the mean of its divisors is an integer number (2470061400).

Almost surely, 2^100320405104 is an apocalyptic number.

It is an amenable number.

100320405104 is a deficient number, since it is larger than the sum of its proper divisors (97284506896).

100320405104 is a wasteful number, since it uses less digits than its factorization.

100320405104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1312 counting only the distinct ones).

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

Adding to 100320405104 its reverse (401504023001), we get a palindrome (501824428105).

The spelling of 100320405104 in words is "one hundred billion, three hundred twenty million, four hundred five thousand, one hundred four".