220081784148533 has 16 divisors (see below), whose sum is σ = 223267258710000. Its totient is φ = 216923939381760.

The previous prime is 220081784148511. The next prime is 220081784148563. The reversal of 220081784148533 is 335841487180022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 158282235409 + 219923501913124 = 397847^2 + 14829818^2 .

It is a cyclic number.

It is not a de Polignac number, because 220081784148533 - 2¹⁰ = 220081784147509 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 (220081784148503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5236043 + ... + 21623591.

It is an arithmetic number, because the mean of its divisors is an integer number (13954203669375).

Almost surely, 2^{220081784148533} is an apocalyptic number.

It is an amenable number.

220081784148533 is a deficient number, since it is larger than the sum of its proper divisors (3185474561467).

220081784148533 is a wasteful number, since it uses less digits than its factorization.

220081784148533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388392.

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 220081784148533 in words is "two hundred twenty trillion, eighty-one billion, seven hundred eighty-four million, one hundred forty-eight thousand, five hundred thirty-three".