201220320030 has 64 divisors (see below), whose sum is σ = 484050677760. Its totient is φ = 53534214144.

The previous prime is 201220320029. The next prime is 201220320047. The reversal of 201220320030 is 30023022102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 201220319991 and 201220320009.

It is a congruent number.

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, 53988027 + ... + 53991753.

It is an arithmetic number, because the mean of its divisors is an integer number (7563291840).

Almost surely, 2^201220320030 is an apocalyptic number.

201220320030 is an abundant number, since it is smaller than the sum of its proper divisors (282830357730).

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

201220320030 is a wasteful number, since it uses less digits than its factorization.

201220320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 201220320030 its reverse (30023022102), we get a palindrome (231243342132).

The spelling of 201220320030 in words is "two hundred one billion, two hundred twenty million, three hundred twenty thousand, thirty".