20275707308 has 12 divisors (see below), whose sum is σ = 35544851160. Its totient is φ = 10120035552.

The previous prime is 20275707233. The next prime is 20275707337. The reversal of 20275707308 is 80370757202.

It is a super-2 number, since 2×20275707308² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4451966 + ... + 4456517.

It is an arithmetic number, because the mean of its divisors is an integer number (2962070930).

Almost surely, 2^20275707308 is an apocalyptic number.

It is an amenable number.

20275707308 is a deficient number, since it is larger than the sum of its proper divisors (15269143852).

20275707308 is a wasteful number, since it uses less digits than its factorization.

20275707308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8909056 (or 8909054 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 20275707308 in words is "twenty billion, two hundred seventy-five million, seven hundred seven thousand, three hundred eight".