20034365500240 has 160 divisors (see below), whose sum is σ = 57348956931840. Its totient is φ = 6338351112192.

The previous prime is 20034365500229. The next prime is 20034365500397. The reversal of 20034365500240 is 4200556343002.

It is a junction number, because it is equal to n+sod(n) for n = 20034365500196 and 20034365500205.

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, 20615191 + ... + 21565129.

It is an arithmetic number, because the mean of its divisors is an integer number (358430980824).

Almost surely, 2^{20034365500240} is an apocalyptic number.

20034365500240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20034365500240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28674478465920).

20034365500240 is an abundant number, since it is smaller than the sum of its proper divisors (37314591431600).

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

20034365500240 is a wasteful number, since it uses less digits than its factorization.

20034365500240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952869 (or 952863 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 20034365500240 in words is "twenty trillion, thirty-four billion, three hundred sixty-five million, five hundred thousand, two hundred forty".