1065020215 has 16 divisors (see below), whose sum is σ = 1510966080. Its totient is φ = 705116160.

The previous prime is 1065020207. The next prime is 1065020219. The reversal of 1065020215 is 5120205601.

It is not a de Polignac number, because 1065020215 - 2³ = 1065020207 is a prime.

It is a super-2 number, since 2×1065020215² = 2268536116717292450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065020219) 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, 523626 + ... + 525655.

It is an arithmetic number, because the mean of its divisors is an integer number (94435380).

Almost surely, 2^1065020215 is an apocalyptic number.

1065020215 is a deficient number, since it is larger than the sum of its proper divisors (445945865).

1065020215 is a wasteful number, since it uses less digits than its factorization.

1065020215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049322.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1065020215 is about 32634.6474624746. The cubic root of 1065020215 is about 1021.2199343747.

Adding to 1065020215 its reverse (5120205601), we get a palindrome (6185225816).

The spelling of 1065020215 in words is "one billion, sixty-five million, twenty thousand, two hundred fifteen".