4020239352 has 16 divisors (see below), whose sum is σ = 10050598440. Its totient is φ = 1340079776.

The previous prime is 4020239341. The next prime is 4020239357. The reversal of 4020239352 is 2539320204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020239357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83754963 + ... + 83755010.

Almost surely, 2^4020239352 is an apocalyptic number.

It is an amenable number.

4020239352 is an abundant number, since it is smaller than the sum of its proper divisors (6030359088).

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

4020239352 is a wasteful number, since it uses less digits than its factorization.

4020239352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167509982 (or 167509978 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 4020239352 is about 63405.3574392574. The cubic root of 4020239352 is about 1590.0738797205.

Adding to 4020239352 its reverse (2539320204), we get a palindrome (6559559556).

The spelling of 4020239352 in words is "four billion, twenty million, two hundred thirty-nine thousand, three hundred fifty-two".