20201220020012 has 6 divisors (see below), whose sum is σ = 35352135035028. Its totient is φ = 10100610010004.

The previous prime is 20201220019993. The next prime is 20201220020021. The reversal of 20201220020012 is 21002002210202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525152502498 + ... + 2525152502505.

It is an arithmetic number, because the mean of its divisors is an integer number (5892022505838).

Almost surely, 2^{20201220020012} is an apocalyptic number.

It is an amenable number.

20201220020012 is a deficient number, since it is larger than the sum of its proper divisors (15150915015016).

20201220020012 is a wasteful number, since it uses less digits than its factorization.

20201220020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050305005007 (or 5050305005005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20201220020012 its reverse (21002002210202), we get a palindrome (41203222230214).

The spelling of 20201220020012 in words is "twenty trillion, two hundred one billion, two hundred twenty million, twenty thousand, twelve".