9020040 has 32 divisors (see below), whose sum is σ = 27060480. Its totient is φ = 2405312.

The previous prime is 9020029. The next prime is 9020051. The reversal of 9020040 is 400209.

It is an interprime number because it is at equal distance from previous prime (9020029) and next prime (9020051).

It is a super-2 number, since 2×9020040² = 162722243203200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 37464 + ... + 37703.

It is an arithmetic number, because the mean of its divisors is an integer number (845640).

Almost surely, 2^9020040 is an apocalyptic number.

It is an amenable number.

9020040 is an abundant number, since it is smaller than the sum of its proper divisors (18040440).

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

9020040 is a wasteful number, since it uses less digits than its factorization.

9020040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75181 (or 75177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 9020040 is about 3003.3381428004. The cubic root of 9020040 is about 208.1626563000.

Adding to 9020040 its reverse (400209), we get a palindrome (9420249).

The spelling of 9020040 in words is "nine million, twenty thousand, forty".