20132320011 has 4 divisors (see below), whose sum is σ = 26843093352. Its totient is φ = 13421546672.

The previous prime is 20132319997. The next prime is 20132320081. The reversal of 20132320011 is 11002323102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20132320011 - 2¹³ = 20132311819 is a prime.

It is a super-2 number, since 2×20132320011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20132320081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355386666 + ... + 3355386671.

It is an arithmetic number, because the mean of its divisors is an integer number (6710773338).

Almost surely, 2^20132320011 is an apocalyptic number.

20132320011 is a deficient number, since it is larger than the sum of its proper divisors (6710773341).

20132320011 is an equidigital number, since it uses as much as digits as its factorization.

20132320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710773340.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20132320011 its reverse (11002323102), we get a palindrome (31134643113).

The spelling of 20132320011 in words is "twenty billion, one hundred thirty-two million, three hundred twenty thousand, eleven".