20202120020012 has 48 divisors (see below), whose sum is σ = 40917907752960. Its totient is φ = 8547991687872.

The previous prime is 20202120019973. The next prime is 20202120020057. The reversal of 20202120020012 is 21002002120202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42136913 + ... + 42613655.

It is an arithmetic number, because the mean of its divisors is an integer number (852456411520).

Almost surely, 2^{20202120020012} is an apocalyptic number.

It is an amenable number.

20202120020012 is an abundant number, since it is smaller than the sum of its proper divisors (20715787732948).

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

20202120020012 is a wasteful number, since it uses less digits than its factorization.

20202120020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495990 (or 495988 counting only the distinct ones).

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

Adding to 20202120020012 its reverse (21002002120202), we get a palindrome (41204122140214).

The spelling of 20202120020012 in words is "twenty trillion, two hundred two billion, one hundred twenty million, twenty thousand, twelve".