220195039 has 2 divisors, whose sum is σ = 220195040. Its totient is φ = 220195038.

The previous prime is 220194991. The next prime is 220195081. The reversal of 220195039 is 930591022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220195039 - 2¹¹ = 220192991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220195039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220195639) 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, 110097519 + 110097520.

It is an arithmetic number, because the mean of its divisors is an integer number (110097520).

Almost surely, 2^220195039 is an apocalyptic number.

220195039 is a deficient number, since it is larger than the sum of its proper divisors (1).

220195039 is an equidigital number, since it uses as much as digits as its factorization.

220195039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 220195039 is about 14838.9702809865. The cubic root of 220195039 is about 603.8594169766.

The spelling of 220195039 in words is "two hundred twenty million, one hundred ninety-five thousand, thirty-nine".