22020311301985 has 8 divisors (see below), whose sum is σ = 26425102466880. Its totient is φ = 17615763105264.

The previous prime is 22020311301979. The next prime is 22020311302019. The reversal of 22020311301985 is 58910311302022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22020311301985 - 2³ = 22020311301977 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 60542595 + ... + 60905224.

It is an arithmetic number, because the mean of its divisors is an integer number (3303137808360).

Almost surely, 2^{22020311301985} is an apocalyptic number.

It is an amenable number.

22020311301985 is a deficient number, since it is larger than the sum of its proper divisors (4404791164895).

22020311301985 is a wasteful number, since it uses less digits than its factorization.

22020311301985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121484087.

The product of its (nonzero) digits is 25920, while the sum is 37.

Adding to 22020311301985 its sum of digits (37), we get a palindrome (22020311302022).

The spelling of 22020311301985 in words is "twenty-two trillion, twenty billion, three hundred eleven million, three hundred one thousand, nine hundred eighty-five".