20332112432440 has 128 divisors (see below), whose sum is σ = 46304308653120. Its totient is φ = 8034140160000.

The previous prime is 20332112432309. The next prime is 20332112432531. The reversal of 20332112432440 is 4423421123302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6775110940 + ... + 6775113940.

Almost surely, 2^{20332112432440} is an apocalyptic number.

20332112432440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332112432440 is an abundant number, since it is smaller than the sum of its proper divisors (25972196220680).

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

20332112432440 is a wasteful number, since it uses less digits than its factorization.

20332112432440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753 (or 5749 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 20332112432440 its reverse (4423421123302), we get a palindrome (24755533555742).

The spelling of 20332112432440 in words is "twenty trillion, three hundred thirty-two billion, one hundred twelve million, four hundred thirty-two thousand, four hundred forty".