20000213212 has 24 divisors (see below), whose sum is σ = 40022470656. Its totient is φ = 8566796208.

The previous prime is 20000213183. The next prime is 20000213221. The reversal of 20000213212 is 21231200002.

It is a junction number, because it is equal to n+sod(n) for n = 20000213192 and 20000213201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144868 + ... + 246955.

It is an arithmetic number, because the mean of its divisors is an integer number (1667602944).

Almost surely, 2^20000213212 is an apocalyptic number.

It is an amenable number.

20000213212 is an abundant number, since it is smaller than the sum of its proper divisors (20022257444).

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

20000213212 is a wasteful number, since it uses less digits than its factorization.

20000213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393657 (or 393655 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20000213212 its reverse (21231200002), we get a palindrome (41231413214).

The spelling of 20000213212 in words is "twenty billion, two hundred thirteen thousand, two hundred twelve".