20704255224 has 16 divisors (see below), whose sum is σ = 51760638120. Its totient is φ = 6901418400.

The previous prime is 20704255189. The next prime is 20704255241. The reversal of 20704255224 is 42255240702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431338627 + ... + 431338674.

Almost surely, 2^20704255224 is an apocalyptic number.

20704255224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20704255224 is an abundant number, since it is smaller than the sum of its proper divisors (31056382896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20704255224 is a wasteful number, since it uses less digits than its factorization.

20704255224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862677310 (or 862677306 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

Adding to 20704255224 its reverse (42255240702), we get a palindrome (62959495926).

The spelling of 20704255224 in words is "twenty billion, seven hundred four million, two hundred fifty-five thousand, two hundred twenty-four".