42320302 has 4 divisors (see below), whose sum is σ = 63480456. Its totient is φ = 21160150.

The previous prime is 42320297. The next prime is 42320329. The reversal of 42320302 is 20302324.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42320302² = 3582015922742408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10580074 + ... + 10580077.

It is an arithmetic number, because the mean of its divisors is an integer number (15870114).

Almost surely, 2^42320302 is an apocalyptic number.

42320302 is a deficient number, since it is larger than the sum of its proper divisors (21160154).

42320302 is a wasteful number, since it uses less digits than its factorization.

42320302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21160153.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 42320302 is about 6505.4055984235. The cubic root of 42320302 is about 348.4840612515.

Adding to 42320302 its reverse (20302324), we get a palindrome (62622626).

The spelling of 42320302 in words is "forty-two million, three hundred twenty thousand, three hundred two".