201313103220 has 192 divisors, whose sum is σ = 642275827200. Its totient is φ = 52331811840.

The previous prime is 201313103213. The next prime is 201313103269. The reversal of 201313103220 is 22301313102.

201313103220 is a `hidden beast` number, since 2 + 0 + 1 + 31 + 310 + 322 + 0 = 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 = 201313103193 and 201313103202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3382762 + ... + 3441758.

It is an arithmetic number, because the mean of its divisors is an integer number (3345186600).

Almost surely, 2^201313103220 is an apocalyptic number.

201313103220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201313103220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321137913600).

201313103220 is an abundant number, since it is smaller than the sum of its proper divisors (440962723980).

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

201313103220 is a wasteful number, since it uses less digits than its factorization.

201313103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59175 (or 59167 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201313103220 its reverse (22301313102), we get a palindrome (223614416322).

The spelling of 201313103220 in words is "two hundred one billion, three hundred thirteen million, one hundred three thousand, two hundred twenty".