9942020 has 24 divisors (see below), whose sum is σ = 22776768. Its totient is φ = 3615200.

The previous prime is 9942013. The next prime is 9942029. The reversal of 9942020 is 202499.

It is not an unprimeable number, because it can be changed into a prime (9942029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22376 + ... + 22815.

It is an arithmetic number, because the mean of its divisors is an integer number (949032).

Almost surely, 2^9942020 is an apocalyptic number.

It is an amenable number.

9942020 is an abundant number, since it is smaller than the sum of its proper divisors (12834748).

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

9942020 is a wasteful number, since it uses less digits than its factorization.

9942020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45211 (or 45209 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 9942020 is about 3153.0968903603. The cubic root of 9942020 is about 215.0262812654.

The spelling of 9942020 in words is "nine million, nine hundred forty-two thousand, twenty".