9020780 has 12 divisors (see below), whose sum is σ = 18943680. Its totient is φ = 3608304.

The previous prime is 9020747. The next prime is 9020789. The reversal of 9020780 is 870209.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9020789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225500 + ... + 225539.

It is an arithmetic number, because the mean of its divisors is an integer number (1578640).

Almost surely, 2^9020780 is an apocalyptic number.

It is an amenable number.

9020780 is an abundant number, since it is smaller than the sum of its proper divisors (9922900).

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

9020780 is a wasteful number, since it uses less digits than its factorization.

9020780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451048 (or 451046 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 9020780 is about 3003.4613365249. The cubic root of 9020780 is about 208.1683486677.

Adding to 9020780 its reverse (870209), we get a palindrome (9890989).

The spelling of 9020780 in words is "nine million, twenty thousand, seven hundred eighty".