20030020212 has 96 divisors (see below), whose sum is σ = 49685529600. Its totient is φ = 6266732032.

The previous prime is 20030020201. The next prime is 20030020217. The reversal of 20030020212 is 21202003002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030020217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15908839 + ... + 15910097.

It is an arithmetic number, because the mean of its divisors is an integer number (517557600).

Almost surely, 2^20030020212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20030020212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24842764800).

20030020212 is an abundant number, since it is smaller than the sum of its proper divisors (29655509388).

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

20030020212 is a wasteful number, since it uses less digits than its factorization.

20030020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2323 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20030020212 its reverse (21202003002), we get a palindrome (41232023214).

The spelling of 20030020212 in words is "twenty billion, thirty million, twenty thousand, two hundred twelve".