34202420 has 24 divisors (see below), whose sum is σ = 82086144. Its totient is φ = 11726496.

The previous prime is 34202411. The next prime is 34202431. The reversal of 34202420 is 2420243.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122012 + ... + 122291.

It is an arithmetic number, because the mean of its divisors is an integer number (3420256).

Almost surely, 2^34202420 is an apocalyptic number.

It is an amenable number.

34202420 is an abundant number, since it is smaller than the sum of its proper divisors (47883724).

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

34202420 is a wasteful number, since it uses less digits than its factorization.

34202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244319 (or 244317 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 34202420 is about 5848.2835088597. The cubic root of 34202420 is about 324.6028126195.

Adding to 34202420 its reverse (2420243), we get a palindrome (36622663).

The spelling of 34202420 in words is "thirty-four million, two hundred two thousand, four hundred twenty".