20285798224 has 40 divisors (see below), whose sum is σ = 39948792320. Its totient is φ = 9977385600.

The previous prime is 20285798201. The next prime is 20285798227. The reversal of 20285798224 is 42289758202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20285798227) 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, 312934 + ... + 372154.

It is an arithmetic number, because the mean of its divisors is an integer number (998719808).

Almost surely, 2^20285798224 is an apocalyptic number.

It is an amenable number.

20285798224 is a deficient number, since it is larger than the sum of its proper divisors (19662994096).

20285798224 is a wasteful number, since it uses less digits than its factorization.

20285798224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59579 (or 59573 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 20285798224 in words is "twenty billion, two hundred eighty-five million, seven hundred ninety-eight thousand, two hundred twenty-four".