220330550155 has 16 divisors (see below), whose sum is σ = 278766364320. Its totient is φ = 166714910208.

The previous prime is 220330550147. The next prime is 220330550159. The reversal of 220330550155 is 551055033022.

It is a cyclic number.

It is not a de Polignac number, because 220330550155 - 2³ = 220330550147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220330550159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1833502 + ... + 1949971.

It is an arithmetic number, because the mean of its divisors is an integer number (17422897770).

Almost surely, 2^220330550155 is an apocalyptic number.

220330550155 is a deficient number, since it is larger than the sum of its proper divisors (58435814165).

220330550155 is a wasteful number, since it uses less digits than its factorization.

220330550155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784110.

The product of its (nonzero) digits is 22500, while the sum is 31.

Adding to 220330550155 its reverse (551055033022), we get a palindrome (771385583177).

The spelling of 220330550155 in words is "two hundred twenty billion, three hundred thirty million, five hundred fifty thousand, one hundred fifty-five".