4020322252 has 24 divisors (see below), whose sum is σ = 7427126000. Its totient is φ = 1898894016.

The previous prime is 4020322223. The next prime is 4020322253. The reversal of 4020322252 is 2522230204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4020322253) 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, 49263 + ... + 102310.

Almost surely, 2^4020322252 is an apocalyptic number.

It is an amenable number.

4020322252 is a deficient number, since it is larger than the sum of its proper divisors (3406803748).

4020322252 is a wasteful number, since it uses less digits than its factorization.

4020322252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151945 (or 151943 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4020322252 is about 63406.0111661347. The cubic root of 4020322252 is about 1590.0848091044.

Adding to 4020322252 its reverse (2522230204), we get a palindrome (6542552456).

The spelling of 4020322252 in words is "four billion, twenty million, three hundred twenty-two thousand, two hundred fifty-two".