20311103133032 has 16 divisors (see below), whose sum is σ = 38102106425760. Its totient is φ = 10150541419504.

The previous prime is 20311103132987. The next prime is 20311103133119. The reversal of 20311103133032 is 23033130111302.

It is a junction number, because it is equal to n+sod(n) for n = 20311103132989 and 20311103133007.

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 3 ways as a sum of consecutive naturals, for example, 626251148 + ... + 626283579.

It is an arithmetic number, because the mean of its divisors is an integer number (2381381651610).

Almost surely, 2^{20311103133032} is an apocalyptic number.

It is an amenable number.

20311103133032 is a deficient number, since it is larger than the sum of its proper divisors (17791003292728).

20311103133032 is a wasteful number, since it uses less digits than its factorization.

20311103133032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252536760 (or 1252536756 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20311103133032 its reverse (23033130111302), we get a palindrome (43344233244334).

The spelling of 20311103133032 in words is "twenty trillion, three hundred eleven billion, one hundred three million, one hundred thirty-three thousand, thirty-two".