201232130220 has 96 divisors (see below), whose sum is σ = 682969674240. Its totient is φ = 48783545280.

The previous prime is 201232130207. The next prime is 201232130221. The reversal of 201232130220 is 22031232102.

201232130220 is a `hidden beast` number, since 20 + 1 + 2 + 321 + 302 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201232130193 and 201232130202.

It is not an unprimeable number, because it can be changed into a prime (201232130221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16932792 + ... + 16944671.

It is an arithmetic number, because the mean of its divisors is an integer number (7114267440).

Almost surely, 2^201232130220 is an apocalyptic number.

201232130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201232130220 is an abundant number, since it is smaller than the sum of its proper divisors (481737544020).

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

201232130220 is a wasteful number, since it uses less digits than its factorization.

201232130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33877492 (or 33877484 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201232130220 its reverse (22031232102), we get a palindrome (223263362322).

The spelling of 201232130220 in words is "two hundred one billion, two hundred thirty-two million, one hundred thirty thousand, two hundred twenty".