20022220000212 has 12 divisors (see below), whose sum is σ = 46718513333856. Its totient is φ = 6674073333400.

The previous prime is 20022220000201. The next prime is 20022220000253. The reversal of 20022220000212 is 21200002222002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20022220000191 and 20022220000200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834259166664 + ... + 834259166687.

It is an arithmetic number, because the mean of its divisors is an integer number (3893209444488).

Almost surely, 2^{20022220000212} is an apocalyptic number.

It is an amenable number.

20022220000212 is an abundant number, since it is smaller than the sum of its proper divisors (26696293333644).

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

20022220000212 is a wasteful number, since it uses less digits than its factorization.

20022220000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668518333358 (or 1668518333356 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20022220000212 its reverse (21200002222002), we get a palindrome (41222222222214).

The spelling of 20022220000212 in words is "twenty trillion, twenty-two billion, two hundred twenty million, two hundred twelve", and thus it is an aban number.