220263612549 has 8 divisors (see below), whose sum is σ = 293696043840. Its totient is φ = 146836794816.

The previous prime is 220263612529. The next prime is 220263612551. The reversal of 220263612549 is 945216362022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220263612549 - 2¹³ = 220263604357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220263612549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220263612529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310964 + ... + 1469405.

It is an arithmetic number, because the mean of its divisors is an integer number (36712005480).

Almost surely, 2^220263612549 is an apocalyptic number.

It is an amenable number.

220263612549 is a deficient number, since it is larger than the sum of its proper divisors (73432431291).

220263612549 is a wasteful number, since it uses less digits than its factorization.

220263612549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806779.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 220263612549 in words is "two hundred twenty billion, two hundred sixty-three million, six hundred twelve thousand, five hundred forty-nine".