220263612550 has 12 divisors (see below), whose sum is σ = 409690319436. Its totient is φ = 88105445000.

The previous prime is 220263612529. The next prime is 220263612551. The reversal of 220263612550 is 55216362022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220263612551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2202636076 + ... + 2202636175.

It is an arithmetic number, because the mean of its divisors is an integer number (34140859953).

Almost surely, 2^220263612550 is an apocalyptic number.

220263612550 is a deficient number, since it is larger than the sum of its proper divisors (189426706886).

220263612550 is a wasteful number, since it uses less digits than its factorization.

220263612550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405272263 (or 4405272258 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 220263612550 its reverse (55216362022), we get a palindrome (275479974572).

The spelling of 220263612550 in words is "two hundred twenty billion, two hundred sixty-three million, six hundred twelve thousand, five hundred fifty".