4020202404 has 36 divisors (see below), whose sum is σ = 10176222784. Its totient is φ = 1338215472.

The previous prime is 4020202393. The next prime is 4020202409. The reversal of 4020202404 is 4042020204.

4020202404 is a `hidden beast` number, since 40 + 20 + 202 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4020202409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50632 + ... + 102975.

Almost surely, 2^4020202404 is an apocalyptic number.

It is an amenable number.

4020202404 is an abundant number, since it is smaller than the sum of its proper divisors (6156020380).

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

4020202404 is a wasteful number, since it uses less digits than its factorization.

4020202404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154344 (or 154339 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4020202404 is about 63405.0660751962. The cubic root of 4020202404 is about 1590.0690085155.

Adding to 4020202404 its reverse (4042020204), we get a palindrome (8062222608).

The spelling of 4020202404 in words is "four billion, twenty million, two hundred two thousand, four hundred four".