20021009483 has 2 divisors, whose sum is σ = 20021009484. Its totient is φ = 20021009482.

The previous prime is 20021009467. The next prime is 20021009509. The reversal of 20021009483 is 38490012002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20021009483 - 2⁴ = 20021009467 is a prime.

It is not a weakly prime, because it can be changed into another prime (20021005483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010504741 + 10010504742.

It is an arithmetic number, because the mean of its divisors is an integer number (10010504742).

Almost surely, 2^20021009483 is an apocalyptic number.

20021009483 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021009483 is an equidigital number, since it uses as much as digits as its factorization.

20021009483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 20021009483 in words is "twenty billion, twenty-one million, nine thousand, four hundred eighty-three".