42020302 has 8 divisors (see below), whose sum is σ = 63246456. Its totient is φ = 20938152.

The previous prime is 42020281. The next prime is 42020309. The reversal of 42020302 is 20302024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35268 + ... + 36439.

It is an arithmetic number, because the mean of its divisors is an integer number (7905807).

Almost surely, 2^42020302 is an apocalyptic number.

42020302 is a deficient number, since it is larger than the sum of its proper divisors (21226154).

42020302 is a wasteful number, since it uses less digits than its factorization.

42020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72002.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 42020302 is about 6482.3068424751. The cubic root of 42020302 is about 347.6586636356.

Adding to 42020302 its reverse (20302024), we get a palindrome (62322326).

The spelling of 42020302 in words is "forty-two million, twenty thousand, three hundred two".