20032312311 has 32 divisors (see below), whose sum is σ = 32473424640. Its totient is φ = 12104056800.

The previous prime is 20032312273. The next prime is 20032312319. The reversal of 20032312311 is 11321323002.

20032312311 is a `hidden beast` number, since 20 + 0 + 323 + 12 + 311 = 666.

It is not a de Polignac number, because 20032312311 - 2¹³ = 20032304119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032312319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3580 + ... + 200193.

It is an arithmetic number, because the mean of its divisors is an integer number (1014794520).

Almost surely, 2^20032312311 is an apocalyptic number.

20032312311 is a deficient number, since it is larger than the sum of its proper divisors (12441112329).

20032312311 is a wasteful number, since it uses less digits than its factorization.

20032312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204124 (or 204118 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20032312311 its reverse (11321323002), we get a palindrome (31353635313).

The spelling of 20032312311 in words is "twenty billion, thirty-two million, three hundred twelve thousand, three hundred eleven".