20304420112 has 10 divisors (see below), whose sum is σ = 39339813998. Its totient is φ = 10152210048.

The previous prime is 20304420089. The next prime is 20304420121. The reversal of 20304420112 is 21102440302.

It can be written as a sum of positive squares in only one way, i.e., 16547220496 + 3757199616 = 128636^2 + 61296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20304420112.

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 as a sum of consecutive naturals, namely, 634513113 + ... + 634513144.

Almost surely, 2^20304420112 is an apocalyptic number.

It is an amenable number.

20304420112 is a deficient number, since it is larger than the sum of its proper divisors (19035393886).

20304420112 is a wasteful number, since it uses less digits than its factorization.

20304420112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269026265 (or 1269026259 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20304420112 its reverse (21102440302), we get a palindrome (41406860414).

The spelling of 20304420112 in words is "twenty billion, three hundred four million, four hundred twenty thousand, one hundred twelve".