20130244212 has 48 divisors (see below), whose sum is σ = 50905941632. Its totient is φ = 6154462080.

The previous prime is 20130244181. The next prime is 20130244213. The reversal of 20130244212 is 21244203102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130244213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386464 + ... + 435447.

Almost surely, 2^20130244212 is an apocalyptic number.

It is an amenable number.

20130244212 is an abundant number, since it is smaller than the sum of its proper divisors (30775697420).

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

20130244212 is a wasteful number, since it uses less digits than its factorization.

20130244212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822088 (or 822086 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20130244212 its reverse (21244203102), we get a palindrome (41374447314).

The spelling of 20130244212 in words is "twenty billion, one hundred thirty million, two hundred forty-four thousand, two hundred twelve".