20100108872 has 16 divisors (see below), whose sum is σ = 37689289200. Its totient is φ = 10049631760.

The previous prime is 20100108839. The next prime is 20100108881. The reversal of 20100108872 is 27880100102.

It is a super-2 number, since 2×20100108872² (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, 254279 + ... + 323817.

It is an arithmetic number, because the mean of its divisors is an integer number (2355580575).

Almost surely, 2^20100108872 is an apocalyptic number.

It is an amenable number.

20100108872 is a deficient number, since it is larger than the sum of its proper divisors (17589180328).

20100108872 is a wasteful number, since it uses less digits than its factorization.

20100108872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105676 (or 105672 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

Adding to 20100108872 its reverse (27880100102), we get a palindrome (47980208974).

The spelling of 20100108872 in words is "twenty billion, one hundred million, one hundred eight thousand, eight hundred seventy-two".