202103220 has 96 divisors (see below), whose sum is σ = 622056960. Its totient is φ = 48620160.

The previous prime is 202103219. The next prime is 202103221. The reversal of 202103220 is 22301202.

202103220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202103219) and next prime (202103221).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202103196 and 202103205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202103221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90639 + ... + 92841.

It is an arithmetic number, because the mean of its divisors is an integer number (6479760).

Almost surely, 2^202103220 is an apocalyptic number.

202103220 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 202103220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311028480).

202103220 is an abundant number, since it is smaller than the sum of its proper divisors (419953740).

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

202103220 is a wasteful number, since it uses less digits than its factorization.

202103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 202103220 is about 14216.3012067134. The cubic root of 202103220 is about 586.8463543651.

Adding to 202103220 its reverse (22301202), we get a palindrome (224404422).

The spelling of 202103220 in words is "two hundred two million, one hundred three thousand, two hundred twenty".