920140 has 24 divisors (see below), whose sum is σ = 2081520. Its totient is φ = 339648.

The previous prime is 920137. The next prime is 920147. The reversal of 920140 is 41029.

It is not an unprimeable number, because it can be changed into a prime (920147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1510 + ... + 2029.

It is an arithmetic number, because the mean of its divisors is an integer number (86730).

2⁹²⁰¹⁴⁰ is an apocalyptic number.

It is an amenable number.

920140 is an abundant number, since it is smaller than the sum of its proper divisors (1161380).

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

920140 is a wasteful number, since it uses less digits than its factorization.

920140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 920140 is about 959.2392819313. The cubic root of 920140 is about 97.2638157932.

Adding to 920140 its reverse (41029), we get a palindrome (961169).

The spelling of 920140 in words is "nine hundred twenty thousand, one hundred forty".