20013132223 has 4 divisors (see below), whose sum is σ = 22872151120. Its totient is φ = 17154113328.

The previous prime is 20013132221. The next prime is 20013132259. The reversal of 20013132223 is 32223131002.

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 20013132223 - 2¹ = 20013132221 is a prime.

It is a super-2 number, since 2×20013132223² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20013132223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013132221) 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 3 ways as a sum of consecutive naturals, for example, 1429509438 + ... + 1429509451.

It is an arithmetic number, because the mean of its divisors is an integer number (5718037780).

Almost surely, 2^20013132223 is an apocalyptic number.

20013132223 is a deficient number, since it is larger than the sum of its proper divisors (2859018897).

20013132223 is an equidigital number, since it uses as much as digits as its factorization.

20013132223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859018896.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20013132223 its reverse (32223131002), we get a palindrome (52236263225).

The spelling of 20013132223 in words is "twenty billion, thirteen million, one hundred thirty-two thousand, two hundred twenty-three".