220513325555 has 8 divisors (see below), whose sum is σ = 268565483472. Its totient is φ = 173777665248.

The previous prime is 220513325537. The next prime is 220513325609. The reversal of 220513325555 is 555523315022.

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

It is a cyclic number.

It is not a de Polignac number, because 220513325555 - 2³⁰ = 219439583731 is a prime.

It is a super-2 number, since 2×220513325555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329124032 + ... + 329124701.

It is an arithmetic number, because the mean of its divisors is an integer number (33570685434).

Almost surely, 2^220513325555 is an apocalyptic number.

220513325555 is a deficient number, since it is larger than the sum of its proper divisors (48052157917).

220513325555 is an equidigital number, since it uses as much as digits as its factorization.

220513325555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658248805.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 220513325555 in words is "two hundred twenty billion, five hundred thirteen million, three hundred twenty-five thousand, five hundred fifty-five".