20213202212 has 48 divisors (see below), whose sum is σ = 43592062080. Its totient is φ = 8006688000.

The previous prime is 20213202209. The next prime is 20213202221. The reversal of 20213202212 is 21220231202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441539 + ... + 485162.

It is an arithmetic number, because the mean of its divisors is an integer number (908167960).

Almost surely, 2^20213202212 is an apocalyptic number.

It is an amenable number.

20213202212 is an abundant number, since it is smaller than the sum of its proper divisors (23378859868).

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

20213202212 is a wasteful number, since it uses less digits than its factorization.

20213202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926772 (or 926770 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20213202212 its reverse (21220231202), we get a palindrome (41433433414).

The spelling of 20213202212 in words is "twenty billion, two hundred thirteen million, two hundred two thousand, two hundred twelve".