220145365770 has 32 divisors (see below), whose sum is σ = 576380594880. Its totient is φ = 53368573440.

The previous prime is 220145365753. The next prime is 220145365807. The reversal of 220145365770 is 77563541022.

220145365770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 333553255 + ... + 333553914.

It is an arithmetic number, because the mean of its divisors is an integer number (18011893590).

Almost surely, 2^220145365770 is an apocalyptic number.

220145365770 is an abundant number, since it is smaller than the sum of its proper divisors (356235229110).

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

220145365770 is a wasteful number, since it uses less digits than its factorization.

220145365770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667107190.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 220145365770 in words is "two hundred twenty billion, one hundred forty-five million, three hundred sixty-five thousand, seven hundred seventy".