20333341680 has 40 divisors (see below), whose sum is σ = 63033359952. Its totient is φ = 5422224384.

The previous prime is 20333341649. The next prime is 20333341727. The reversal of 20333341680 is 8614333302.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42360889 + ... + 42361368.

Almost surely, 2^20333341680 is an apocalyptic number.

20333341680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20333341680 is an abundant number, since it is smaller than the sum of its proper divisors (42700018272).

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

20333341680 is a wasteful number, since it uses less digits than its factorization.

20333341680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84722273 (or 84722267 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 20333341680 its reverse (8614333302), we get a palindrome (28947674982).

The spelling of 20333341680 in words is "twenty billion, three hundred thirty-three million, three hundred forty-one thousand, six hundred eighty".