220932541979 has 2 divisors, whose sum is σ = 220932541980. Its totient is φ = 220932541978.

The previous prime is 220932541933. The next prime is 220932541981. The reversal of 220932541979 is 979145239022.

220932541979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220932541979 - 2⁸ = 220932541723 is a prime.

It is a super-2 number, since 2×220932541979² (a number of 23 digits) contains 22 as substring.

Together with 220932541981, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220932541979.

It is not a weakly prime, because it can be changed into another prime (220932541079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110466270989 + 110466270990.

It is an arithmetic number, because the mean of its divisors is an integer number (110466270990).

Almost surely, 2^220932541979 is an apocalyptic number.

220932541979 is a deficient number, since it is larger than the sum of its proper divisors (1).

220932541979 is an equidigital number, since it uses as much as digits as its factorization.

220932541979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 220932541979 in words is "two hundred twenty billion, nine hundred thirty-two million, five hundred forty-one thousand, nine hundred seventy-nine".