20876281260 has 48 divisors (see below), whose sum is σ = 58460131296. Its totient is φ = 5566385152.

The previous prime is 20876281249. The next prime is 20876281273. The reversal of 20876281260 is 6218267802.

It is a happy number.

It is an unprimeable number.

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, 820084 + ... + 845156.

It is an arithmetic number, because the mean of its divisors is an integer number (1217919402).

Almost surely, 2^20876281260 is an apocalyptic number.

20876281260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20876281260 is an abundant number, since it is smaller than the sum of its proper divisors (37583850036).

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

20876281260 is a wasteful number, since it uses less digits than its factorization.

20876281260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38962 (or 38960 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 20876281260 in words is "twenty billion, eight hundred seventy-six million, two hundred eighty-one thousand, two hundred sixty".