220253421652563 has 32 divisors (see below), whose sum is σ = 328722287475456. Its totient is φ = 130288425291648.

The previous prime is 220253421652549. The next prime is 220253421652601. The reversal of 220253421652563 is 365256124352022.

It is not a de Polignac number, because 220253421652563 - 2⁶ = 220253421652499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220253421652543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 919372845 + ... + 919612382.

It is an arithmetic number, because the mean of its divisors is an integer number (10272571483608).

Almost surely, 2^{220253421652563} is an apocalyptic number.

220253421652563 is a deficient number, since it is larger than the sum of its proper divisors (108468865822893).

220253421652563 is a wasteful number, since it uses less digits than its factorization.

220253421652563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838985363.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 220253421652563 in words is "two hundred twenty trillion, two hundred fifty-three billion, four hundred twenty-one million, six hundred fifty-two thousand, five hundred sixty-three".