42020332 has 6 divisors (see below), whose sum is σ = 73535588. Its totient is φ = 21010164.

The previous prime is 42020317. The next prime is 42020339. The reversal of 42020332 is 23302024.

It is not an unprimeable number, because it can be changed into a prime (42020339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252538 + ... + 5252545.

Almost surely, 2^42020332 is an apocalyptic number.

It is an amenable number.

42020332 is a deficient number, since it is larger than the sum of its proper divisors (31515256).

42020332 is a wasteful number, since it uses less digits than its factorization.

42020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505087 (or 10505085 counting only the distinct ones).

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

The square root of 42020332 is about 6482.3091564658. The cubic root of 42020332 is about 347.6587463715.

Adding to 42020332 its reverse (23302024), we get a palindrome (65322356).

The spelling of 42020332 in words is "forty-two million, twenty thousand, three hundred thirty-two".