2134204220 has 24 divisors (see below), whose sum is σ = 4485562704. Its totient is φ = 852970496.

The previous prime is 2134204213. The next prime is 2134204277. The reversal of 2134204220 is 224024312.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2134204192 and 2134204201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19502 + ... + 68181.

It is an arithmetic number, because the mean of its divisors is an integer number (186898446).

Almost surely, 2^2134204220 is an apocalyptic number.

2134204220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2134204220 is an abundant number, since it is smaller than the sum of its proper divisors (2351358484).

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

2134204220 is a wasteful number, since it uses less digits than its factorization.

2134204220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88909 (or 88907 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2134204220 is about 46197.4481979254. The cubic root of 2134204220 is about 1287.4943289410.

Adding to 2134204220 its reverse (224024312), we get a palindrome (2358228532).

The spelling of 2134204220 in words is "two billion, one hundred thirty-four million, two hundred four thousand, two hundred twenty".