20000130312 has 32 divisors (see below), whose sum is σ = 50005706400. Its totient is φ = 6665992704.

The previous prime is 20000130299. The next prime is 20000130317. The reversal of 20000130312 is 21303100002.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20000130317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213123 + ... + 292269.

It is an arithmetic number, because the mean of its divisors is an integer number (1562678325).

Almost surely, 2^20000130312 is an apocalyptic number.

It is an amenable number.

20000130312 is an abundant number, since it is smaller than the sum of its proper divisors (30005576088).

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

20000130312 is a wasteful number, since it uses less digits than its factorization.

20000130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89685 (or 89681 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20000130312 its reverse (21303100002), we get a palindrome (41303230314).

The spelling of 20000130312 in words is "twenty billion, one hundred thirty thousand, three hundred twelve".