20021300083 has 2 divisors, whose sum is σ = 20021300084. Its totient is φ = 20021300082.

The previous prime is 20021300077. The next prime is 20021300119. The reversal of 20021300083 is 38000312002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20021300083 - 2⁵ = 20021300051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20021300083.

It is not a weakly prime, because it can be changed into another prime (20021300023) 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 as a sum of consecutive naturals, namely, 10010650041 + 10010650042.

It is an arithmetic number, because the mean of its divisors is an integer number (10010650042).

Almost surely, 2^20021300083 is an apocalyptic number.

20021300083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021300083 is an equidigital number, since it uses as much as digits as its factorization.

20021300083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20021300083 its reverse (38000312002), we get a palindrome (58021612085).

The spelling of 20021300083 in words is "twenty billion, twenty-one million, three hundred thousand, eighty-three".