20220220221983 has 16 divisors (see below), whose sum is σ = 20719574219520. Its totient is φ = 19722203821824.

The previous prime is 20220220221911. The next prime is 20220220221989. The reversal of 20220220221983 is 38912202202202.

It is a cyclic number.

It is not a de Polignac number, because 20220220221983 - 2¹² = 20220220217887 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123074510 + ... + 123238692.

It is an arithmetic number, because the mean of its divisors is an integer number (1294973388720).

Almost surely, 2^{20220220221983} is an apocalyptic number.

20220220221983 is a deficient number, since it is larger than the sum of its proper divisors (499353997537).

20220220221983 is a wasteful number, since it uses less digits than its factorization.

20220220221983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168238.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 20220220221983 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred eighty-three".