20333023324440 has 32 divisors (see below), whose sum is σ = 60999069973680. Its totient is φ = 5422139553152.

The previous prime is 20333023324421. The next prime is 20333023324451. The reversal of 20333023324440 is 4442332033302.

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, 84720930399 + ... + 84720930638.

Almost surely, 2^{20333023324440} is an apocalyptic number.

20333023324440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20333023324440 is an abundant number, since it is smaller than the sum of its proper divisors (40666046649240).

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

20333023324440 is a wasteful number, since it uses less digits than its factorization.

20333023324440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169441861051 (or 169441861047 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 33.

Adding to 20333023324440 its reverse (4442332033302), we get a palindrome (24775355357742).

The spelling of 20333023324440 in words is "twenty trillion, three hundred thirty-three billion, twenty-three million, three hundred twenty-four thousand, four hundred forty".