201233320220 has 48 divisors (see below), whose sum is σ = 446064074400. Its totient is φ = 76256785152.

The previous prime is 201233320187. The next prime is 201233320241. The reversal of 201233320220 is 22023332102.

201233320220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 201233320192 and 201233320201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596285 + ... + 870644.

It is an arithmetic number, because the mean of its divisors is an integer number (9293001550).

Almost surely, 2^201233320220 is an apocalyptic number.

201233320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201233320220 is an abundant number, since it is smaller than the sum of its proper divisors (244830754180).

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

201233320220 is a wasteful number, since it uses less digits than its factorization.

201233320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466995 (or 1466955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 201233320220 its reverse (22023332102), we get a palindrome (223256652322).

The spelling of 201233320220 in words is "two hundred one billion, two hundred thirty-three million, three hundred twenty thousand, two hundred twenty".