20201020100012 has 12 divisors (see below), whose sum is σ = 35351990958480. Its totient is φ = 10100451254736.

The previous prime is 20201020099991. The next prime is 20201020100021. The reversal of 20201020100012 is 21000102010202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20201020099966 and 20201020100002.

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, 13921187 + ... + 15303642.

It is an arithmetic number, because the mean of its divisors is an integer number (2945999246540).

Almost surely, 2^{20201020100012} is an apocalyptic number.

It is an amenable number.

20201020100012 is a deficient number, since it is larger than the sum of its proper divisors (15150970858468).

20201020100012 is a wasteful number, since it uses less digits than its factorization.

20201020100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29397640 (or 29397638 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201020100012 its reverse (21000102010202), we get a palindrome (41201122110214).

The spelling of 20201020100012 in words is "twenty trillion, two hundred one billion, twenty million, one hundred thousand, twelve".