2355342220 has 192 divisors, whose sum is σ = 6563773440. Its totient is φ = 687744000.

The previous prime is 2355342181. The next prime is 2355342229. The reversal of 2355342220 is 222435532.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2355342229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2954862 + ... + 2955658.

It is an arithmetic number, because the mean of its divisors is an integer number (34186320).

Almost surely, 2^2355342220 is an apocalyptic number.

2355342220 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 2355342220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3281886720).

2355342220 is an abundant number, since it is smaller than the sum of its proper divisors (4208431220).

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

2355342220 is a wasteful number, since it uses less digits than its factorization.

2355342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2355342220 is about 48531.8680868561. The cubic root of 2355342220 is about 1330.5095791699.

Adding to 2355342220 its reverse (222435532), we get a palindrome (2577777752).

The spelling of 2355342220 in words is "two billion, three hundred fifty-five million, three hundred forty-two thousand, two hundred twenty".