4020052 has 6 divisors (see below), whose sum is σ = 7035098. Its totient is φ = 2010024.

The previous prime is 4020031. The next prime is 4020119. The reversal of 4020052 is 2500204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 470596 = 1884^2 + 686^2 .

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 as a sum of consecutive naturals, namely, 502503 + ... + 502510.

Almost surely, 2^4020052 is an apocalyptic number.

It is an amenable number.

4020052 is a deficient number, since it is larger than the sum of its proper divisors (3015046).

4020052 is a wasteful number, since it uses less digits than its factorization.

4020052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005017 (or 1005015 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4020052 is about 2005.0067331558. The cubic root of 4020052 is about 159.0049179023.

Adding to 4020052 its reverse (2500204), we get a palindrome (6520256).

The spelling of 4020052 in words is "four million, twenty thousand, fifty-two".