20022001010012 has 48 divisors (see below), whose sum is σ = 36764082073152. Its totient is φ = 9522912706560.

The previous prime is 20022001010003. The next prime is 20022001010027. The reversal of 20022001010012 is 21001010022002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20022001009975 and 20022001010002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13803062 + ... + 15184482.

It is an arithmetic number, because the mean of its divisors is an integer number (765918376524).

Almost surely, 2^{20022001010012} is an apocalyptic number.

It is an amenable number.

20022001010012 is a deficient number, since it is larger than the sum of its proper divisors (16742081063140).

20022001010012 is a wasteful number, since it uses less digits than its factorization.

20022001010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382318 (or 1382316 counting only the distinct ones).

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

Adding to 20022001010012 its reverse (21001010022002), we get a palindrome (41023011032014).

The spelling of 20022001010012 in words is "twenty trillion, twenty-two billion, one million, ten thousand, twelve".