220453434515 has 16 divisors (see below), whose sum is σ = 265233090816. Its totient is φ = 175903845600.

The previous prime is 220453434493. The next prime is 220453434533. The reversal of 220453434515 is 515434354022.

It is not a de Polignac number, because 220453434515 - 2¹² = 220453430419 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4470584 + ... + 4519626.

It is an arithmetic number, because the mean of its divisors is an integer number (16577068176).

Almost surely, 2^220453434515 is an apocalyptic number.

220453434515 is a deficient number, since it is larger than the sum of its proper divisors (44779656301).

220453434515 is a wasteful number, since it uses less digits than its factorization.

220453434515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51370.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 220453434515 its reverse (515434354022), we get a palindrome (735887788537).

The spelling of 220453434515 in words is "two hundred twenty billion, four hundred fifty-three million, four hundred thirty-four thousand, five hundred fifteen".