20310300012 has 24 divisors (see below), whose sum is σ = 47427788800. Its totient is φ = 6764801616.

The previous prime is 20310299987. The next prime is 20310300019. The reversal of 20310300012 is 21000301302.

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 (20310300019) 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, 646312 + ... + 677007.

Almost surely, 2^20310300012 is an apocalyptic number.

It is an amenable number.

20310300012 is an abundant number, since it is smaller than the sum of its proper divisors (27117488788).

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

20310300012 is a wasteful number, since it uses less digits than its factorization.

20310300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324605 (or 1324603 counting only the distinct ones).

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

Adding to 20310300012 its reverse (21000301302), we get a palindrome (41310601314).

The spelling of 20310300012 in words is "twenty billion, three hundred ten million, three hundred thousand, twelve".