20055110212 has 12 divisors (see below), whose sum is σ = 35097886656. Its totient is φ = 10027142600.

The previous prime is 20055110129. The next prime is 20055110221. The reversal of 20055110212 is 21201155002.

It is a self number, because there is not a number n which added to its sum of digits gives 20055110212.

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, 23553 + ... + 201655.

It is an arithmetic number, because the mean of its divisors is an integer number (2924823888).

Almost surely, 2^20055110212 is an apocalyptic number.

It is an amenable number.

20055110212 is a deficient number, since it is larger than the sum of its proper divisors (15042776444).

20055110212 is a wasteful number, since it uses less digits than its factorization.

20055110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206258 (or 206256 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 20055110212 its reverse (21201155002), we get a palindrome (41256265214).

The spelling of 20055110212 in words is "twenty billion, fifty-five million, one hundred ten thousand, two hundred twelve".