20202120002012 has 24 divisors (see below), whose sum is σ = 38098423675872. Its totient is φ = 9317884564800.

The previous prime is 20202120001981. The next prime is 20202120002017. The reversal of 20202120002012 is 21020002120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202120002017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128479439 + ... + 128636582.

It is an arithmetic number, because the mean of its divisors is an integer number (1587434319828).

Almost surely, 2^{20202120002012} is an apocalyptic number.

It is an amenable number.

20202120002012 is a deficient number, since it is larger than the sum of its proper divisors (17896303673860).

20202120002012 is a wasteful number, since it uses less digits than its factorization.

20202120002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257117549 (or 257117547 counting only the distinct ones).

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

Adding to 20202120002012 its reverse (21020002120202), we get a palindrome (41222122122214).

The spelling of 20202120002012 in words is "twenty trillion, two hundred two billion, one hundred twenty million, two thousand, twelve".