20020001120212 has 12 divisors (see below), whose sum is σ = 35039255387220. Its totient is φ = 10008785295296.

The previous prime is 20020001120117. The next prime is 20020001120269. The reversal of 20020001120212 is 21202110002002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16524013620676 + 3495987499536 = 4064974^2 + 1869756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20020001120192 and 20020001120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303779137 + ... + 303845032.

It is an arithmetic number, because the mean of its divisors is an integer number (2919937948935).

Almost surely, 2^{20020001120212} is an apocalyptic number.

It is an amenable number.

20020001120212 is a deficient number, since it is larger than the sum of its proper divisors (15019254267008).

20020001120212 is a wasteful number, since it uses less digits than its factorization.

20020001120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607632410 (or 607632408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20020001120212 its reverse (21202110002002), we get a palindrome (41222111122214).

The spelling of 20020001120212 in words is "twenty trillion, twenty billion, one million, one hundred twenty thousand, two hundred twelve".