4020202424 has 32 divisors (see below), whose sum is σ = 8617342080. Its totient is φ = 1722419424.

The previous prime is 4020202409. The next prime is 4020202451. The reversal of 4020202424 is 4242020204.

It is a junction number, because it is equal to n+sod(n) for n = 4020202396 and 4020202405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216599 + ... + 234425.

It is an arithmetic number, because the mean of its divisors is an integer number (269291940).

Almost surely, 2^4020202424 is an apocalyptic number.

It is an amenable number.

4020202424 is an abundant number, since it is smaller than the sum of its proper divisors (4597139656).

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

4020202424 is a wasteful number, since it uses less digits than its factorization.

4020202424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21867 (or 21863 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4020202424 is about 63405.0662329123. The cubic root of 4020202424 is about 1590.0690111523.

Adding to 4020202424 its reverse (4242020204), we get a palindrome (8262222628).

The spelling of 4020202424 in words is "four billion, twenty million, two hundred two thousand, four hundred twenty-four".