20522454983 has 2 divisors, whose sum is σ = 20522454984. Its totient is φ = 20522454982.

The previous prime is 20522454977. The next prime is 20522455021. The reversal of 20522454983 is 38945422502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20522454983 - 2¹⁸ = 20522192839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20522454913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261227491 + 10261227492.

It is an arithmetic number, because the mean of its divisors is an integer number (10261227492).

Almost surely, 2^20522454983 is an apocalyptic number.

20522454983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522454983 is an equidigital number, since it uses as much as digits as its factorization.

20522454983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 20522454983 in words is "twenty billion, five hundred twenty-two million, four hundred fifty-four thousand, nine hundred eighty-three".