201403220 has 24 divisors (see below), whose sum is σ = 425146344. Its totient is φ = 80142336.

The previous prime is 201403201. The next prime is 201403229. The reversal of 201403220 is 22304102.

201403220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7246864 + 194156356 = 2692^2 + 13934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201403195 and 201403204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201403229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22229 + ... + 29948.

It is an arithmetic number, because the mean of its divisors is an integer number (17714431).

Almost surely, 2^201403220 is an apocalyptic number.

201403220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201403220 is an abundant number, since it is smaller than the sum of its proper divisors (223743124).

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

201403220 is a wasteful number, since it uses less digits than its factorization.

201403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52379 (or 52377 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 201403220 is about 14191.6602270488. The cubic root of 201403220 is about 586.1680415157.

Adding to 201403220 its reverse (22304102), we get a palindrome (223707322).

The spelling of 201403220 in words is "two hundred one million, four hundred three thousand, two hundred twenty".