4215020505 has 16 divisors (see below), whose sum is σ = 6807063744. Its totient is φ = 2227000640.

The previous prime is 4215020497. The next prime is 4215020507. The reversal of 4215020505 is 5050205124.

It is a happy number.

It is not a de Polignac number, because 4215020505 - 2³ = 4215020497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4215020507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311486 + ... + 1314695.

It is an arithmetic number, because the mean of its divisors is an integer number (425441484).

Almost surely, 2^4215020505 is an apocalyptic number.

It is an amenable number.

4215020505 is a deficient number, since it is larger than the sum of its proper divisors (2592043239).

4215020505 is a wasteful number, since it uses less digits than its factorization.

4215020505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626296.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 4215020505 is about 64923.1892700905. The cubic root of 4215020505 is about 1615.3497317594.

Adding to 4215020505 its reverse (5050205124), we get a palindrome (9265225629).

The spelling of 4215020505 in words is "four billion, two hundred fifteen million, twenty thousand, five hundred five".