201100442320 has 40 divisors (see below), whose sum is σ = 467856439200. Its totient is φ = 80388923520.

The previous prime is 201100442299. The next prime is 201100442341. The reversal of 201100442320 is 23244001102.

It is an interprime number because it is at equal distance from previous prime (201100442299) and next prime (201100442341).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 674370 + ... + 925729.

It is an arithmetic number, because the mean of its divisors is an integer number (11696410980).

Almost surely, 2^201100442320 is an apocalyptic number.

201100442320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201100442320 is an abundant number, since it is smaller than the sum of its proper divisors (266755996880).

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

201100442320 is a wasteful number, since it uses less digits than its factorization.

201100442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601683 (or 1601677 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201100442320 its reverse (23244001102), we get a palindrome (224344443422).

The spelling of 201100442320 in words is "two hundred one billion, one hundred million, four hundred forty-two thousand, three hundred twenty".