20020221009983 has 2 divisors, whose sum is σ = 20020221009984. Its totient is φ = 20020221009982.

The previous prime is 20020221009979. The next prime is 20020221010019. The reversal of 20020221009983 is 38990012202002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020221009983 - 2² = 20020221009979 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020221009973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010110504991 + 10010110504992.

It is an arithmetic number, because the mean of its divisors is an integer number (10010110504992).

Almost surely, 2^{20020221009983} is an apocalyptic number.

20020221009983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020221009983 is an equidigital number, since it uses as much as digits as its factorization.

20020221009983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 20020221009983 in words is "twenty trillion, twenty billion, two hundred twenty-one million, nine thousand, nine hundred eighty-three".