20011311102232 has 16 divisors (see below), whose sum is σ = 37659662964000. Its totient is φ = 9968734311840.

The previous prime is 20011311102173. The next prime is 20011311102241. The reversal of 20011311102232 is 23220111311002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4615152607 + ... + 4615156942.

It is an arithmetic number, because the mean of its divisors is an integer number (2353728935250).

Almost surely, 2^{20011311102232} is an apocalyptic number.

It is an amenable number.

20011311102232 is a deficient number, since it is larger than the sum of its proper divisors (17648351861768).

20011311102232 is a wasteful number, since it uses less digits than its factorization.

20011311102232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230309826 (or 9230309822 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20011311102232 its reverse (23220111311002), we get a palindrome (43231422413234).

The spelling of 20011311102232 in words is "twenty trillion, eleven billion, three hundred eleven million, one hundred two thousand, two hundred thirty-two".