20112032311 has 12 divisors (see below), whose sum is σ = 23513206800. Its totient is φ = 17152248960.

The previous prime is 20112032309. The next prime is 20112032321. The reversal of 20112032311 is 11323021102.

It is not a de Polignac number, because 20112032311 - 2¹ = 20112032309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112032321) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1021530 + ... + 1041031.

It is an arithmetic number, because the mean of its divisors is an integer number (1959433900).

Almost surely, 2^20112032311 is an apocalyptic number.

20112032311 is a deficient number, since it is larger than the sum of its proper divisors (3401174489).

20112032311 is a wasteful number, since it uses less digits than its factorization.

20112032311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062774 (or 2062767 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20112032311 its reverse (11323021102), we get a palindrome (31435053413).

The spelling of 20112032311 in words is "twenty billion, one hundred twelve million, thirty-two thousand, three hundred eleven".