20880481293 has 16 divisors (see below), whose sum is σ = 35353196160. Its totient is φ = 11931703488.

The previous prime is 20880481277. The next prime is 20880481309. The reversal of 20880481293 is 39218408802.

20880481293 is a `hidden beast` number, since 2 + 0 + 8 + 80 + 481 + 2 + 93 = 666.

It is an interprime number because it is at equal distance from previous prime (20880481277) and next prime (20880481309).

It is not a de Polignac number, because 20880481293 - 2⁴ = 20880481277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20880481393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55239180 + ... + 55239557.

It is an arithmetic number, because the mean of its divisors is an integer number (2209574760).

Almost surely, 2^20880481293 is an apocalyptic number.

It is an amenable number.

20880481293 is a deficient number, since it is larger than the sum of its proper divisors (14472714867).

20880481293 is a wasteful number, since it uses less digits than its factorization.

20880481293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110478753 (or 110478747 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 20880481293 in words is "twenty billion, eight hundred eighty million, four hundred eighty-one thousand, two hundred ninety-three".