220155054424554 has 32 divisors (see below), whose sum is σ = 441561381381504. Its totient is φ = 73176476426240.

The previous prime is 220155054424519. The next prime is 220155054424583. The reversal of 220155054424554 is 455424450551022.

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 15 ways as a sum of consecutive naturals, for example, 276278602 + ... + 277074314.

It is an arithmetic number, because the mean of its divisors is an integer number (13798793168172).

Almost surely, 2^{220155054424554} is an apocalyptic number.

220155054424554 is an abundant number, since it is smaller than the sum of its proper divisors (221406326956950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220155054424554 is a wasteful number, since it uses less digits than its factorization.

220155054424554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926702.

The product of its (nonzero) digits is 6400000, while the sum is 48.

The spelling of 220155054424554 in words is "two hundred twenty trillion, one hundred fifty-five billion, fifty-four million, four hundred twenty-four thousand, five hundred fifty-four".