4520920 has 16 divisors (see below), whose sum is σ = 10172160. Its totient is φ = 1808352.

The previous prime is 4520911. The next prime is 4520983. The reversal of 4520920 is 290254.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4520891 and 4520900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56472 + ... + 56551.

It is an arithmetic number, because the mean of its divisors is an integer number (635760).

Almost surely, 2^4520920 is an apocalyptic number.

4520920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4520920 is an abundant number, since it is smaller than the sum of its proper divisors (5651240).

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

4520920 is a wasteful number, since it uses less digits than its factorization.

4520920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113034 (or 113030 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 4520920 is about 2126.2455173380. The cubic root of 4520920 is about 165.3518052260.

The spelling of 4520920 in words is "four million, five hundred twenty thousand, nine hundred twenty".