100100203320 has 128 divisors (see below), whose sum is σ = 330281763840. Its totient is φ = 24115776000.

The previous prime is 100100203309. The next prime is 100100203391. The reversal of 100100203320 is 23302001001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100100203296 and 100100203305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609306 + ... + 755945.

It is an arithmetic number, because the mean of its divisors is an integer number (2580326280).

Almost surely, 2^100100203320 is an apocalyptic number.

100100203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100203320 is an abundant number, since it is smaller than the sum of its proper divisors (230181560520).

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

100100203320 is a wasteful number, since it uses less digits than its factorization.

100100203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365325 (or 1365321 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 100100203320 its reverse (23302001001), we get a palindrome (123402204321).

The spelling of 100100203320 in words is "one hundred billion, one hundred million, two hundred three thousand, three hundred twenty".