4020304551 has 8 divisors (see below), whose sum is σ = 5675724144. Its totient is φ = 2522544000.

The previous prime is 4020304543. The next prime is 4020304567. The reversal of 4020304551 is 1554030204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4020304551 - 2³ = 4020304543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020304511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39414700 + ... + 39414801.

It is an arithmetic number, because the mean of its divisors is an integer number (709465518).

Almost surely, 2^4020304551 is an apocalyptic number.

4020304551 is a deficient number, since it is larger than the sum of its proper divisors (1655419593).

4020304551 is a wasteful number, since it uses less digits than its factorization.

4020304551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78829521.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4020304551 is about 63405.8715814238. The cubic root of 4020304551 is about 1590.0824754497.

Adding to 4020304551 its reverse (1554030204), we get a palindrome (5574334755).

The spelling of 4020304551 in words is "four billion, twenty million, three hundred four thousand, five hundred fifty-one".