42020396 has 36 divisors (see below), whose sum is σ = 85599864. Its totient is φ = 17973120.

The previous prime is 42020393. The next prime is 42020437. The reversal of 42020396 is 69302024.

It is not an unprimeable number, because it can be changed into a prime (42020393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5675 + ... + 10781.

It is an arithmetic number, because the mean of its divisors is an integer number (2377774).

Almost surely, 2^42020396 is an apocalyptic number.

It is an amenable number.

42020396 is an abundant number, since it is smaller than the sum of its proper divisors (43579468).

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

42020396 is a wasteful number, since it uses less digits than its factorization.

42020396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150 (or 5137 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42020396 is about 6482.3140929764. The cubic root of 42020396 is about 347.6589228745.

The spelling of 42020396 in words is "forty-two million, twenty thousand, three hundred ninety-six".