34051220 has 48 divisors (see below), whose sum is σ = 84551040. Its totient is φ = 11270784.

The previous prime is 34051217. The next prime is 34051229. The reversal of 34051220 is 2215043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34051229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134 + ... + 8253.

It is an arithmetic number, because the mean of its divisors is an integer number (1761480).

Almost surely, 2^34051220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34051220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42275520).

34051220 is an abundant number, since it is smaller than the sum of its proper divisors (50499820).

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

34051220 is a wasteful number, since it uses less digits than its factorization.

34051220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432 (or 8430 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 34051220 is about 5835.3423207212. The cubic root of 34051220 is about 324.1237778354.

Adding to 34051220 its reverse (2215043), we get a palindrome (36266263).

The spelling of 34051220 in words is "thirty-four million, fifty-one thousand, two hundred twenty".