4020203320 has 64 divisors (see below), whose sum is σ = 10349959680. Its totient is φ = 1376716416.

The previous prime is 4020203309. The next prime is 4020203339. The reversal of 4020203320 is 233020204.

It is a junction number, because it is equal to n+sod(n) for n = 4020203294 and 4020203303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240267 + ... + 256453.

It is an arithmetic number, because the mean of its divisors is an integer number (161718120).

Almost surely, 2^4020203320 is an apocalyptic number.

4020203320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4020203320 is an abundant number, since it is smaller than the sum of its proper divisors (6329756360).

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

4020203320 is a wasteful number, since it uses less digits than its factorization.

4020203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092 (or 17088 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 4020203320 is about 63405.0732985934. The cubic root of 4020203320 is about 1590.0691292808.

Adding to 4020203320 its reverse (233020204), we get a palindrome (4253223524).

The spelling of 4020203320 in words is "four billion, twenty million, two hundred three thousand, three hundred twenty".