20301121312 has 24 divisors (see below), whose sum is σ = 40232529792. Its totient is φ = 10083336000.

The previous prime is 20301121307. The next prime is 20301121331. The reversal of 20301121312 is 21312110302.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095864 + ... + 2105527.

It is an arithmetic number, because the mean of its divisors is an integer number (1676355408).

Almost surely, 2^20301121312 is an apocalyptic number.

It is an amenable number.

20301121312 is a deficient number, since it is larger than the sum of its proper divisors (19931408480).

20301121312 is a wasteful number, since it uses less digits than its factorization.

20301121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201552 (or 4201544 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20301121312 its reverse (21312110302), we get a palindrome (41613231614).

The spelling of 20301121312 in words is "twenty billion, three hundred one million, one hundred twenty-one thousand, three hundred twelve".