4542020 has 24 divisors (see below), whose sum is σ = 10901184. Its totient is φ = 1557216.

The previous prime is 4542019. The next prime is 4542029. The reversal of 4542020 is 202454.

It is a self number, because there is not a number n which added to its sum of digits gives 4542020.

It is not an unprimeable number, because it can be changed into a prime (4542029) 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, 16082 + ... + 16361.

It is an arithmetic number, because the mean of its divisors is an integer number (454216).

Almost surely, 2^4542020 is an apocalyptic number.

It is an amenable number.

4542020 is an abundant number, since it is smaller than the sum of its proper divisors (6359164).

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

4542020 is a wasteful number, since it uses less digits than its factorization.

4542020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32459 (or 32457 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4542020 is about 2131.2015390385. The cubic root of 4542020 is about 165.6086489139.

Adding to 4542020 its reverse (202454), we get a palindrome (4744474).

The spelling of 4542020 in words is "four million, five hundred forty-two thousand, twenty".