220146870180154 has 8 divisors (see below), whose sum is σ = 333624638314548. Its totient is φ = 108938657408640.

The previous prime is 220146870180143. The next prime is 220146870180187. The reversal of 220146870180154 is 451081078641022.

It can be written as a sum of positive squares in 2 ways, for example, as 193018866693129 + 27128003487025 = 13893123^2 + 5208455^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 220146870180098 and 220146870180107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567388840477 + ... + 567388840864.

Almost surely, 2^{220146870180154} is an apocalyptic number.

220146870180154 is a deficient number, since it is larger than the sum of its proper divisors (113477768134394).

220146870180154 is a wasteful number, since it uses less digits than its factorization.

220146870180154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134777681440.

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 220146870180154 in words is "two hundred twenty trillion, one hundred forty-six billion, eight hundred seventy million, one hundred eighty thousand, one hundred fifty-four".