20435012336 has 40 divisors (see below), whose sum is σ = 39717361200. Its totient is φ = 10185431040.

The previous prime is 20435012329. The next prime is 20435012341. The reversal of 20435012336 is 63321053402.

It is a junction number, because it is equal to n+sod(n) for n = 20435012299 and 20435012308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9199706 + ... + 9201926.

It is an arithmetic number, because the mean of its divisors is an integer number (992934030).

Almost surely, 2^20435012336 is an apocalyptic number.

It is an amenable number.

20435012336 is a deficient number, since it is larger than the sum of its proper divisors (19282348864).

20435012336 is a wasteful number, since it uses less digits than its factorization.

20435012336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20435012336 its reverse (63321053402), we get a palindrome (83756065738).

The spelling of 20435012336 in words is "twenty billion, four hundred thirty-five million, twelve thousand, three hundred thirty-six".