42320252 has 24 divisors (see below), whose sum is σ = 80193792. Its totient is φ = 19425600.

The previous prime is 42320249. The next prime is 42320269. The reversal of 42320252 is 25202324.

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, 7802 + ... + 12062.

It is an arithmetic number, because the mean of its divisors is an integer number (3341408).

Almost surely, 2^42320252 is an apocalyptic number.

It is an amenable number.

42320252 is a deficient number, since it is larger than the sum of its proper divisors (37873540).

42320252 is a wasteful number, since it uses less digits than its factorization.

42320252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 42320252 is about 6505.4017554645. The cubic root of 42320252 is about 348.4839240108.

Adding to 42320252 its reverse (25202324), we get a palindrome (67522576).

The spelling of 42320252 in words is "forty-two million, three hundred twenty thousand, two hundred fifty-two".