20089003212440 has 64 divisors (see below), whose sum is σ = 49939926183360. Its totient is φ = 7234096291840.

The previous prime is 20089003212427. The next prime is 20089003212449. The reversal of 20089003212440 is 4421230098002.

It is a self number, because there is not a number n which added to its sum of digits gives 20089003212440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089003212449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642215921 + ... + 642247200.

It is an arithmetic number, because the mean of its divisors is an integer number (780311346615).

Almost surely, 2^{20089003212440} is an apocalyptic number.

20089003212440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20089003212440 is an abundant number, since it is smaller than the sum of its proper divisors (29850922970920).

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

20089003212440 is a wasteful number, since it uses less digits than its factorization.

20089003212440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284463172 (or 1284463168 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 20089003212440 in words is "twenty trillion, eighty-nine billion, three million, two hundred twelve thousand, four hundred forty".