9020100 has 72 divisors (see below), whose sum is σ = 26435808. Its totient is φ = 2374400.

The previous prime is 9020083. The next prime is 9020107. The reversal of 9020100 is 10209.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (9020107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31960 + ... + 32240.

It is an arithmetic number, because the mean of its divisors is an integer number (367164).

Almost surely, 2^9020100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13217904).

9020100 is an abundant number, since it is smaller than the sum of its proper divisors (17415708).

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

9020100 is a wasteful number, since it uses less digits than its factorization.

9020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 9020100 is about 3003.3481316691. The cubic root of 9020100 is about 208.1631178549.

Adding to 9020100 its reverse (10209), we get a palindrome (9030309).

The spelling of 9020100 in words is "nine million, twenty thousand, one hundred".