20325572898 has 8 divisors (see below), whose sum is σ = 40651145808. Its totient is φ = 6775190964.

The previous prime is 20325572881. The next prime is 20325572899. The reversal of 20325572898 is 89827552302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20325572898 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20325572898.

It is not an unprimeable number, because it can be changed into a prime (20325572899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693797736 + ... + 1693797747.

It is an arithmetic number, because the mean of its divisors is an integer number (5081393226).

Almost surely, 2^20325572898 is an apocalyptic number.

20325572898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20325572898 is a wasteful number, since it uses less digits than its factorization.

20325572898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387595488.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 20325572898 in words is "twenty billion, three hundred twenty-five million, five hundred seventy-two thousand, eight hundred ninety-eight".