20594224385 has 16 divisors (see below), whose sum is σ = 28255913856. Its totient is φ = 14115550848.

The previous prime is 20594224373. The next prime is 20594224397. The reversal of 20594224385 is 58342249502.

It is an interprime number because it is at equal distance from previous prime (20594224373) and next prime (20594224397).

It is not a de Polignac number, because 20594224385 - 2⁸ = 20594224129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47687 + ... + 208476.

It is an arithmetic number, because the mean of its divisors is an integer number (1765994616).

Almost surely, 2^20594224385 is an apocalyptic number.

It is an amenable number.

20594224385 is a deficient number, since it is larger than the sum of its proper divisors (7661689471).

20594224385 is a wasteful number, since it uses less digits than its factorization.

20594224385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258472.

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

The spelling of 20594224385 in words is "twenty billion, five hundred ninety-four million, two hundred twenty-four thousand, three hundred eighty-five".