20432432331311 has 32 divisors (see below), whose sum is σ = 27705376774656. Its totient is φ = 14551143120000.

The previous prime is 20432432331221. The next prime is 20432432331313. The reversal of 20432432331311 is 11313323423402.

It is a cyclic number.

It is not a de Polignac number, because 20432432331311 - 2²⁶ = 20432365222447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432432331313) 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, 100948505 + ... + 101150706.

It is an arithmetic number, because the mean of its divisors is an integer number (865793024208).

Almost surely, 2^{20432432331311} is an apocalyptic number.

20432432331311 is a deficient number, since it is larger than the sum of its proper divisors (7272944443345).

20432432331311 is a wasteful number, since it uses less digits than its factorization.

20432432331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202099343.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 20432432331311 its reverse (11313323423402), we get a palindrome (31745755754713).

The spelling of 20432432331311 in words is "twenty trillion, four hundred thirty-two billion, four hundred thirty-two million, three hundred thirty-one thousand, three hundred eleven".