1020224515 has 4 divisors (see below), whose sum is σ = 1224269424. Its totient is φ = 816179608.

The previous prime is 1020224479. The next prime is 1020224537. The reversal of 1020224515 is 5154220201.

1020224515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020224515 - 2¹⁵ = 1020191747 is a prime.

It is a super-2 number, since 2×1020224515² = 2081716122013970450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102022447 + ... + 102022456.

It is an arithmetic number, because the mean of its divisors is an integer number (306067356).

Almost surely, 2^1020224515 is an apocalyptic number.

1020224515 is a deficient number, since it is larger than the sum of its proper divisors (204044909).

1020224515 is an equidigital number, since it uses as much as digits as its factorization.

1020224515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204044908.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1020224515 is about 31940.9535706121. The cubic root of 1020224515 is about 1006.6965609711.

Adding to 1020224515 its reverse (5154220201), we get a palindrome (6174444716).

The spelling of 1020224515 in words is "one billion, twenty million, two hundred twenty-four thousand, five hundred fifteen".