20120306450336 has 24 divisors (see below), whose sum is σ = 39620125050660. Its totient is φ = 10058052469248.

The previous prime is 20120306450303. The next prime is 20120306450347. The reversal of 20120306450336 is 63305460302102.

It can be written as a sum of positive squares in 2 ways, for example, as 18448571232400 + 1671735217936 = 4295180^2 + 1292956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20120306450296 and 20120306450305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65492981 + ... + 65799476.

Almost surely, 2^{20120306450336} is an apocalyptic number.

It is an amenable number.

20120306450336 is a deficient number, since it is larger than the sum of its proper divisors (19499818600324).

20120306450336 is a wasteful number, since it uses less digits than its factorization.

20120306450336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131297256 (or 131297248 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 20120306450336 its reverse (63305460302102), we get a palindrome (83425766752438).

The spelling of 20120306450336 in words is "twenty trillion, one hundred twenty billion, three hundred six million, four hundred fifty thousand, three hundred thirty-six".