20312150135 has 8 divisors (see below), whose sum is σ = 24400599216. Its totient is φ = 16232374080.

The previous prime is 20312150107. The next prime is 20312150143. The reversal of 20312150135 is 53105121302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20312150135 - 2⁶ = 20312150071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20312150135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2163101 + ... + 2172470.

It is an arithmetic number, because the mean of its divisors is an integer number (3050074902).

Almost surely, 2^20312150135 is an apocalyptic number.

20312150135 is a deficient number, since it is larger than the sum of its proper divisors (4088449081).

20312150135 is an equidigital number, since it uses as much as digits as its factorization.

20312150135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336513.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 20312150135 its reverse (53105121302), we get a palindrome (73417271437).

The spelling of 20312150135 in words is "twenty billion, three hundred twelve million, one hundred fifty thousand, one hundred thirty-five".