220866804002 has 8 divisors (see below), whose sum is σ = 356784837276. Its totient is φ = 101938524912.

The previous prime is 220866804001. The next prime is 220866804023. The reversal of 220866804002 is 200408668022.

It can be written as a sum of positive squares in 2 ways, for example, as 169695387481 + 51171416521 = 411941^2 + 226211^2 .

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

It is a super-2 number, since 2×220866804002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220866804001) 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, 4247438513 + ... + 4247438564.

Almost surely, 2^220866804002 is an apocalyptic number.

220866804002 is a deficient number, since it is larger than the sum of its proper divisors (135918033274).

220866804002 is a wasteful number, since it uses less digits than its factorization.

220866804002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8494877092.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 220866804002 in words is "two hundred twenty billion, eight hundred sixty-six million, eight hundred four thousand, two".