220263612551 has 2 divisors, whose sum is σ = 220263612552. Its totient is φ = 220263612550.

The previous prime is 220263612529. The next prime is 220263612563. The reversal of 220263612551 is 155216362022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220263612551 - 2⁶ = 220263612487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220263012551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110131806275 + 110131806276.

It is an arithmetic number, because the mean of its divisors is an integer number (110131806276).

Almost surely, 2^220263612551 is an apocalyptic number.

220263612551 is a deficient number, since it is larger than the sum of its proper divisors (1).

220263612551 is an equidigital number, since it uses as much as digits as its factorization.

220263612551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 220263612551 its reverse (155216362022), we get a palindrome (375479974573).

The spelling of 220263612551 in words is "two hundred twenty billion, two hundred sixty-three million, six hundred twelve thousand, five hundred fifty-one".