20117553363340 has 48 divisors (see below), whose sum is σ = 42463966051584. Its totient is φ = 8005673312000.

The previous prime is 20117553363317. The next prime is 20117553363389. The reversal of 20117553363340 is 4336335571102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66438885 + ... + 66740995.

It is an arithmetic number, because the mean of its divisors is an integer number (884665959408).

Almost surely, 2^{20117553363340} is an apocalyptic number.

20117553363340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20117553363340 is an abundant number, since it is smaller than the sum of its proper divisors (22346412688244).

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

20117553363340 is a wasteful number, since it uses less digits than its factorization.

20117553363340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319218 (or 319216 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 43.

The spelling of 20117553363340 in words is "twenty trillion, one hundred seventeen billion, five hundred fifty-three million, three hundred sixty-three thousand, three hundred forty".