20243130012 has 96 divisors (see below), whose sum is σ = 60290854400. Its totient is φ = 5753742336.

The previous prime is 20243130007. The next prime is 20243130053. The reversal of 20243130012 is 21003134202.

20243130012 is a `hidden beast` number, since 202 + 431 + 30 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76539 + ... + 215277.

Almost surely, 2^20243130012 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 20243130012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30145427200).

20243130012 is an abundant number, since it is smaller than the sum of its proper divisors (40047724388).

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

20243130012 is a wasteful number, since it uses less digits than its factorization.

20243130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138952 (or 138944 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20243130012 its reverse (21003134202), we get a palindrome (41246264214).

The spelling of 20243130012 in words is "twenty billion, two hundred forty-three million, one hundred thirty thousand, twelve".