4120020305 has 16 divisors (see below), whose sum is σ = 5024332800. Its totient is φ = 3242675520.

The previous prime is 4120020269. The next prime is 4120020319. The reversal of 4120020305 is 5030200214.

It is not a de Polignac number, because 4120020305 - 2⁶ = 4120020241 is a prime.

It is a super-2 number, since 2×4120020305² = 33949134627224586050, which contains 22 as substring.

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, 157931 + ... + 182159.

It is an arithmetic number, because the mean of its divisors is an integer number (314020800).

Almost surely, 2^4120020305 is an apocalyptic number.

It is an amenable number.

4120020305 is a deficient number, since it is larger than the sum of its proper divisors (904312495).

4120020305 is a wasteful number, since it uses less digits than its factorization.

4120020305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24784.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4120020305 is about 64187.3843134303. The cubic root of 4120020305 is about 1603.1215498737.

Adding to 4120020305 its reverse (5030200214), we get a palindrome (9150220519).

The spelling of 4120020305 in words is "four billion, one hundred twenty million, twenty thousand, three hundred five".