20112110010 has 24 divisors (see below), whose sum is σ = 52291486260. Its totient is φ = 5363229312.

The previous prime is 20112109999. The next prime is 20112110023. The reversal of 20112110010 is 1001121102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19104491961 + 1007618049 = 138219^2 + 31743^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20112109974 and 20112110001.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 111733855 + ... + 111734034.

Almost surely, 2^20112110010 is an apocalyptic number.

20112110010 is an abundant number, since it is smaller than the sum of its proper divisors (32179376250).

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

20112110010 is a wasteful number, since it uses less digits than its factorization.

20112110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223467902 (or 223467899 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20112110010 its reverse (1001121102), we get a palindrome (21113231112).

The spelling of 20112110010 in words is "twenty billion, one hundred twelve million, one hundred ten thousand, ten".