4020304550 has 24 divisors (see below), whose sum is σ = 7802888976. Its totient is φ = 1538203040.

The previous prime is 4020304543. The next prime is 4020304567. The reversal of 4020304550 is 554030204.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1746809 + ... + 1749108.

It is an arithmetic number, because the mean of its divisors is an integer number (325120374).

Almost surely, 2^4020304550 is an apocalyptic number.

4020304550 is a deficient number, since it is larger than the sum of its proper divisors (3782584426).

4020304550 is a wasteful number, since it uses less digits than its factorization.

4020304550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495952 (or 3495947 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4020304550 is about 63405.8715735380. The cubic root of 4020304550 is about 1590.0824753178.

Adding to 4020304550 its reverse (554030204), we get a palindrome (4574334754).

The spelling of 4020304550 in words is "four billion, twenty million, three hundred four thousand, five hundred fifty".