220154522355 has 12 divisors (see below), whose sum is σ = 381601172160. Its totient is φ = 117415745232.

The previous prime is 220154522339. The next prime is 220154522369. The reversal of 220154522355 is 553225451022.

220154522355 is a `hidden beast` number, since 2 + 201 + 54 + 52 + 2 + 355 = 666.

It is not a de Polignac number, because 220154522355 - 2⁴ = 220154522339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2446161315 + ... + 2446161404.

It is an arithmetic number, because the mean of its divisors is an integer number (31800097680).

Almost surely, 2^220154522355 is an apocalyptic number.

220154522355 is a deficient number, since it is larger than the sum of its proper divisors (161446649805).

220154522355 is a wasteful number, since it uses less digits than its factorization.

220154522355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892322730 (or 4892322727 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 220154522355 its reverse (553225451022), we get a palindrome (773379973377).

The spelling of 220154522355 in words is "two hundred twenty billion, one hundred fifty-four million, five hundred twenty-two thousand, three hundred fifty-five".