20301311432 has 8 divisors (see below), whose sum is σ = 38064958950. Its totient is φ = 10150655712.

The previous prime is 20301311423. The next prime is 20301311479. The reversal of 20301311432 is 23411310302.

It can be written as a sum of positive squares in only one way, i.e., 19053385156 + 1247926276 = 138034^2 + 35326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1268831957 + ... + 1268831972.

Almost surely, 2^20301311432 is an apocalyptic number.

It is an amenable number.

20301311432 is a deficient number, since it is larger than the sum of its proper divisors (17763647518).

20301311432 is a wasteful number, since it uses less digits than its factorization.

20301311432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537663935 (or 2537663931 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20301311432 its reverse (23411310302), we get a palindrome (43712621734).

The spelling of 20301311432 in words is "twenty billion, three hundred one million, three hundred eleven thousand, four hundred thirty-two".