220532431211263 has 4 divisors (see below), whose sum is σ = 221157168977088. Its totient is φ = 219907693445440.

The previous prime is 220532431211189. The next prime is 220532431211359. The reversal of 220532431211263 is 362112134235022.

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 220532431211263 - 2¹⁷ = 220532431080191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220532431211663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312368882383 + ... + 312368883088.

It is an arithmetic number, because the mean of its divisors is an integer number (55289292244272).

Almost surely, 2^{220532431211263} is an apocalyptic number.

220532431211263 is a deficient number, since it is larger than the sum of its proper divisors (624737765825).

220532431211263 is an equidigital number, since it uses as much as digits as its factorization.

220532431211263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624737765824.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 220532431211263 its reverse (362112134235022), we get a palindrome (582644565446285).

The spelling of 220532431211263 in words is "two hundred twenty trillion, five hundred thirty-two billion, four hundred thirty-one million, two hundred eleven thousand, two hundred sixty-three".