220002110221985 has 64 divisors (see below), whose sum is σ = 325335284531712. Its totient is φ = 139078787014656.

The previous prime is 220002110221979. The next prime is 220002110222203. The reversal of 220002110221985 is 589122011200022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220002110221985 - 2²⁴ = 220002093444769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7213878257 + ... + 7213908753.

It is an arithmetic number, because the mean of its divisors is an integer number (5083363820808).

Almost surely, 2^{220002110221985} is an apocalyptic number.

It is an amenable number.

220002110221985 is a deficient number, since it is larger than the sum of its proper divisors (105333174309727).

220002110221985 is a wasteful number, since it uses less digits than its factorization.

220002110221985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49962.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 220002110221985 in words is "two hundred twenty trillion, two billion, one hundred ten million, two hundred twenty-one thousand, nine hundred eighty-five".