220665166562002 has 8 divisors (see below), whose sum is σ = 330998466634236. Its totient is φ = 110332344350592.

The previous prime is 220665166561991. The next prime is 220665166562003. The reversal of 220665166562002 is 200265661566022.

It can be written as a sum of positive squares in 2 ways, for example, as 215645142589321 + 5020023972681 = 14684861^2 + 2240541^2 .

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

It is not an unprimeable number, because it can be changed into a prime (220665166562003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118308523 + ... + 120159214.

Almost surely, 2^{220665166562002} is an apocalyptic number.

220665166562002 is a deficient number, since it is larger than the sum of its proper divisors (110333300072234).

220665166562002 is a wasteful number, since it uses less digits than its factorization.

220665166562002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238930412.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 220665166562002 in words is "two hundred twenty trillion, six hundred sixty-five billion, one hundred sixty-six million, five hundred sixty-two thousand, two".