9420020 has 24 divisors (see below), whose sum is σ = 19845000. Its totient is φ = 3756032.

The previous prime is 9420017. The next prime is 9420043. The reversal of 9420020 is 200249.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 6280036 = 1772^2 + 2506^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8456 + ... + 9504.

It is an arithmetic number, because the mean of its divisors is an integer number (826875).

Almost surely, 2^9420020 is an apocalyptic number.

It is an amenable number.

9420020 is an abundant number, since it is smaller than the sum of its proper divisors (10424980).

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

9420020 is a wasteful number, since it uses less digits than its factorization.

9420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 9420020 is about 3069.2051088189. The cubic root of 9420020 is about 211.1951504951.

Adding to 9420020 its reverse (200249), we get a palindrome (9620269).

The spelling of 9420020 in words is "nine million, four hundred twenty thousand, twenty".