20100230312 has 16 divisors (see below), whose sum is σ = 37701936000. Its totient is φ = 10046380720.

The previous prime is 20100230299. The next prime is 20100230317. The reversal of 20100230312 is 21303200102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20100230317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443864 + ... + 487047.

It is an arithmetic number, because the mean of its divisors is an integer number (2356371000).

Almost surely, 2^20100230312 is an apocalyptic number.

It is an amenable number.

20100230312 is a deficient number, since it is larger than the sum of its proper divisors (17601705688).

20100230312 is a wasteful number, since it uses less digits than its factorization.

20100230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933616 (or 933612 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20100230312 its reverse (21303200102), we get a palindrome (41403430414).

The spelling of 20100230312 in words is "twenty billion, one hundred million, two hundred thirty thousand, three hundred twelve".