220013321029 has 2 divisors, whose sum is σ = 220013321030. Its totient is φ = 220013321028.

The previous prime is 220013321027. The next prime is 220013321051. The reversal of 220013321029 is 920123310022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190292250625 + 29721070404 = 436225^2 + 172398^2 .

It is a cyclic number.

It is not a de Polignac number, because 220013321029 - 2¹ = 220013321027 is a prime.

It is a super-2 number, since 2×220013321029² (a number of 23 digits) contains 22 as substring.

Together with 220013321027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 220013320994 and 220013321012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220013321027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110006660514 + 110006660515.

It is an arithmetic number, because the mean of its divisors is an integer number (110006660515).

Almost surely, 2^220013321029 is an apocalyptic number.

It is an amenable number.

220013321029 is a deficient number, since it is larger than the sum of its proper divisors (1).

220013321029 is an equidigital number, since it uses as much as digits as its factorization.

220013321029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 220013321029 in words is "two hundred twenty billion, thirteen million, three hundred twenty-one thousand, twenty-nine".