9002020 has 12 divisors (see below), whose sum is σ = 18904284. Its totient is φ = 3600800.

The previous prime is 9002011. The next prime is 9002023. The reversal of 9002020 is 202009.

It can be written as a sum of positive squares in 2 ways, for example, as 5089536 + 3912484 = 2256^2 + 1978^2 .

9002020 is a modest number, since divided by 2020 gives 900 as remainder.

It is not an unprimeable number, because it can be changed into a prime (9002023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225031 + ... + 225070.

It is an arithmetic number, because the mean of its divisors is an integer number (1575357).

Almost surely, 2^9002020 is an apocalyptic number.

It is an amenable number.

9002020 is an abundant number, since it is smaller than the sum of its proper divisors (9902264).

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

9002020 is a wasteful number, since it uses less digits than its factorization.

9002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450110 (or 450108 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 9002020 is about 3000.3366477780. The cubic root of 9002020 is about 208.0239432497.

Adding to 9002020 its reverse (202009), we get a palindrome (9204029).

The spelling of 9002020 in words is "nine million, two thousand, twenty".