20117033277220 has 48 divisors (see below), whose sum is σ = 48797252921088. Its totient is φ = 6884973954560.

The previous prime is 20117033277197. The next prime is 20117033277221. The reversal of 20117033277220 is 2277233071102.

It is a self number, because there is not a number n which added to its sum of digits gives 20117033277220.

It is not an unprimeable number, because it can be changed into a prime (20117033277221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2689439212 + ... + 2689446691.

It is an arithmetic number, because the mean of its divisors is an integer number (1016609435856).

Almost surely, 2^{20117033277220} is an apocalyptic number.

20117033277220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20117033277220 is an abundant number, since it is smaller than the sum of its proper divisors (28680219643868).

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

20117033277220 is a wasteful number, since it uses less digits than its factorization.

20117033277220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378885940 (or 5378885938 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 20117033277220 in words is "twenty trillion, one hundred seventeen billion, thirty-three million, two hundred seventy-seven thousand, two hundred twenty".