20311301132 has 12 divisors (see below), whose sum is σ = 35593674480. Its totient is φ = 10141679856.

The previous prime is 20311301111. The next prime is 20311301159. The reversal of 20311301132 is 23110311302.

It is a self number, because there is not a number n which added to its sum of digits gives 20311301132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3489407 + ... + 3495222.

It is an arithmetic number, because the mean of its divisors is an integer number (2966139540).

Almost surely, 2^20311301132 is an apocalyptic number.

It is an amenable number.

20311301132 is a deficient number, since it is larger than the sum of its proper divisors (15282373348).

20311301132 is a wasteful number, since it uses less digits than its factorization.

20311301132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985360 (or 6985358 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20311301132 its reverse (23110311302), we get a palindrome (43421612434).

The spelling of 20311301132 in words is "twenty billion, three hundred eleven million, three hundred one thousand, one hundred thirty-two".