20122001983 has 2 divisors, whose sum is σ = 20122001984. Its totient is φ = 20122001982.

The previous prime is 20122001971. The next prime is 20122001989. The reversal of 20122001983 is 38910022102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20122001983 - 2¹³ = 20121993791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122001989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061000991 + 10061000992.

It is an arithmetic number, because the mean of its divisors is an integer number (10061000992).

Almost surely, 2^20122001983 is an apocalyptic number.

20122001983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122001983 is an equidigital number, since it uses as much as digits as its factorization.

20122001983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 20122001983 in words is "twenty billion, one hundred twenty-two million, one thousand, nine hundred eighty-three".