201220202330 has 64 divisors (see below), whose sum is σ = 438479039232. Its totient is φ = 64903265280.

The previous prime is 201220202317. The next prime is 201220202341. The reversal of 201220202330 is 33202022102.

It is a super-2 number, since 2×201220202330² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 201220202299 and 201220202308.

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, 2785832 + ... + 2857148.

It is an arithmetic number, because the mean of its divisors is an integer number (6851234988).

Almost surely, 2^201220202330 is an apocalyptic number.

201220202330 is an abundant number, since it is smaller than the sum of its proper divisors (237258836902).

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

201220202330 is a wasteful number, since it uses less digits than its factorization.

201220202330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73719.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 201220202330 its reverse (33202022102), we get a palindrome (234422224432).

The spelling of 201220202330 in words is "two hundred one billion, two hundred twenty million, two hundred two thousand, three hundred thirty".