20432313311 has 32 divisors (see below), whose sum is σ = 23000997888. Its totient is φ = 18058360320.

The previous prime is 20432313287. The next prime is 20432313353. The reversal of 20432313311 is 11331323402.

It is a cyclic number.

It is not a de Polignac number, because 20432313311 - 2²² = 20428119007 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 (20432312311) 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, 3554906 + ... + 3560648.

It is an arithmetic number, because the mean of its divisors is an integer number (718781184).

Almost surely, 2^20432313311 is an apocalyptic number.

20432313311 is a deficient number, since it is larger than the sum of its proper divisors (2568684577).

20432313311 is a wasteful number, since it uses less digits than its factorization.

20432313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20432313311 its reverse (11331323402), we get a palindrome (31763636713).

The spelling of 20432313311 in words is "twenty billion, four hundred thirty-two million, three hundred thirteen thousand, three hundred eleven".