4020245015 has 16 divisors (see below), whose sum is σ = 4875743808. Its totient is φ = 3181956096.

The previous prime is 4020244997. The next prime is 4020245023. The reversal of 4020245015 is 5105420204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4020245015 - 2⁸ = 4020244759 is a prime.

It is a Duffinian number.

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, 654599 + ... + 660711.

It is an arithmetic number, because the mean of its divisors is an integer number (304733988).

Almost surely, 2^4020245015 is an apocalyptic number.

4020245015 is a deficient number, since it is larger than the sum of its proper divisors (855498793).

4020245015 is a wasteful number, since it uses less digits than its factorization.

4020245015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7498.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4020245015 is about 63405.4020963514. The cubic root of 4020245015 is about 1590.0746263248.

Adding to 4020245015 its reverse (5105420204), we get a palindrome (9125665219).

The spelling of 4020245015 in words is "four billion, twenty million, two hundred forty-five thousand, fifteen".