920100 has 36 divisors (see below), whose sum is σ = 2663024. Its totient is φ = 245280.

The previous prime is 920053. The next prime is 920107. The reversal of 920100 is 1029.

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 (920107) by changing a digit.

920100 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1234 + ... + 1833.

2⁹²⁰¹⁰⁰ is an apocalyptic number.

It is an amenable number.

920100 is an abundant number, since it is smaller than the sum of its proper divisors (1742924).

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

920100 is a wasteful number, since it uses less digits than its factorization.

920100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3077 counting only the distinct ones).

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

The square root of 920100 is about 959.2184318496. The cubic root of 920100 is about 97.2624063668.

Adding to 920100 its reverse (1029), we get a palindrome (921129).

The spelling of 920100 in words is "nine hundred twenty thousand, one hundred".