20800360268 has 12 divisors (see below), whose sum is σ = 38541844152. Its totient is φ = 9788404800.

The previous prime is 20800360267. The next prime is 20800360271. The reversal of 20800360268 is 86206300802.

It is not an unprimeable number, because it can be changed into a prime (20800360267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152943758 + ... + 152943893.

It is an arithmetic number, because the mean of its divisors is an integer number (3211820346).

Almost surely, 2^20800360268 is an apocalyptic number.

It is an amenable number.

20800360268 is a deficient number, since it is larger than the sum of its proper divisors (17741483884).

20800360268 is a wasteful number, since it uses less digits than its factorization.

20800360268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305887672 (or 305887670 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 20800360268 in words is "twenty billion, eight hundred million, three hundred sixty thousand, two hundred sixty-eight".