20828528230 has 8 divisors (see below), whose sum is σ = 37491350832. Its totient is φ = 8331411288.

The previous prime is 20828528221. The next prime is 20828528233. The reversal of 20828528230 is 3282582802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20828528233) 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, 1041426402 + ... + 1041426421.

It is an arithmetic number, because the mean of its divisors is an integer number (4686418854).

Almost surely, 2^20828528230 is an apocalyptic number.

20828528230 is a deficient number, since it is larger than the sum of its proper divisors (16662822602).

20828528230 is a wasteful number, since it uses less digits than its factorization.

20828528230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082852830.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 20828528230 in words is "twenty billion, eight hundred twenty-eight million, five hundred twenty-eight thousand, two hundred thirty".