9940020 has 24 divisors (see below), whose sum is σ = 27832224. Its totient is φ = 2650656.

The previous prime is 9940003. The next prime is 9940027. The reversal of 9940020 is 200499.

9940020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940027) 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, 82774 + ... + 82893.

It is an arithmetic number, because the mean of its divisors is an integer number (1159676).

Almost surely, 2^9940020 is an apocalyptic number.

It is an amenable number.

9940020 is an abundant number, since it is smaller than the sum of its proper divisors (17892204).

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

9940020 is a wasteful number, since it uses less digits than its factorization.

9940020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165679 (or 165677 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 9940020 is about 3152.7797258927. The cubic root of 9940020 is about 215.0118616135.

The spelling of 9940020 in words is "nine million, nine hundred forty thousand, twenty".