20220220221985 has 32 divisors (see below), whose sum is σ = 27912836160000. Its totient is φ = 13774205233152.

The previous prime is 20220220221911. The next prime is 20220220221989. The reversal of 20220220221985 is 58912202202202.

It is not a de Polignac number, because 20220220221985 - 2¹³ = 20220220213793 is a prime.

It is a super-2 number, since 2×20220220221985² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20220220221989) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 27101457 + ... + 27837553.

It is an arithmetic number, because the mean of its divisors is an integer number (872276130000).

Almost surely, 2^{20220220221985} is an apocalyptic number.

It is an amenable number.

20220220221985 is a deficient number, since it is larger than the sum of its proper divisors (7692615938015).

20220220221985 is a wasteful number, since it uses less digits than its factorization.

20220220221985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741265.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 20220220221985 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred eighty-five".