20964360586 has 16 divisors (see below), whose sum is σ = 33868120608. Its totient is φ = 9675111600.

The previous prime is 20964360583. The next prime is 20964360631. The reversal of 20964360586 is 68506346902.

It is not an unprimeable number, because it can be changed into a prime (20964360583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455701 + ... + 499591.

It is an arithmetic number, because the mean of its divisors is an integer number (2116757538).

Almost surely, 2^20964360586 is an apocalyptic number.

20964360586 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20964360586 is a deficient number, since it is larger than the sum of its proper divisors (12903760022).

20964360586 is a wasteful number, since it uses less digits than its factorization.

20964360586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62277.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 20964360586 in words is "twenty billion, nine hundred sixty-four million, three hundred sixty thousand, five hundred eighty-six".