920420 has 12 divisors (see below), whose sum is σ = 1932924. Its totient is φ = 368160.

The previous prime is 920419. The next prime is 920441. The reversal of 920420 is 24029.

It can be written as a sum of positive squares in 2 ways, for example, as 682276 + 238144 = 826^2 + 488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22991 + ... + 23030.

It is an arithmetic number, because the mean of its divisors is an integer number (161077).

2⁹²⁰⁴²⁰ is an apocalyptic number.

It is an amenable number.

920420 is an abundant number, since it is smaller than the sum of its proper divisors (1012504).

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

920420 is a wasteful number, since it uses less digits than its factorization.

920420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46030 (or 46028 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 920420 is about 959.3852198153. The cubic root of 920420 is about 97.2736806350.

Adding to 920420 its reverse (24029), we get a palindrome (944449).

The spelling of 920420 in words is "nine hundred twenty thousand, four hundred twenty".