20964360583 has 2 divisors, whose sum is σ = 20964360584. Its totient is φ = 20964360582.

The previous prime is 20964360541. The next prime is 20964360631. The reversal of 20964360583 is 38506346902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20964360583 - 2¹³ = 20964352391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20964360503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10482180291 + 10482180292.

It is an arithmetic number, because the mean of its divisors is an integer number (10482180292).

Almost surely, 2^20964360583 is an apocalyptic number.

20964360583 is a deficient number, since it is larger than the sum of its proper divisors (1).

20964360583 is an equidigital number, since it uses as much as digits as its factorization.

20964360583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 20964360583 in words is "twenty billion, nine hundred sixty-four million, three hundred sixty thousand, five hundred eighty-three".