201120032320 has 28 divisors (see below), whose sum is σ = 478917077724. Its totient is φ = 80448012800.

The previous prime is 201120032317. The next prime is 201120032353. The reversal of 201120032320 is 23230021102.

It can be written as a sum of positive squares in 2 ways, for example, as 144102233664 + 57017798656 = 379608^2 + 238784^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 201120032294 and 201120032303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314249731 + ... + 314250370.

Almost surely, 2^201120032320 is an apocalyptic number.

201120032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120032320 is an abundant number, since it is smaller than the sum of its proper divisors (277797045404).

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

201120032320 is an equidigital number, since it uses as much as digits as its factorization.

201120032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628500118 (or 628500108 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201120032320 its reverse (23230021102), we get a palindrome (224350053422).

The spelling of 201120032320 in words is "two hundred one billion, one hundred twenty million, thirty-two thousand, three hundred twenty".