220220120999929 has 2 divisors, whose sum is σ = 220220120999930. Its totient is φ = 220220120999928.

The previous prime is 220220120999909. The next prime is 220220120999939. The reversal of 220220120999929 is 929999021022022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215193790165225 + 5026330834704 = 14669485^2 + 2241948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220220120999929 is a prime.

It is not a weakly prime, because it can be changed into another prime (220220120999909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110060499964 + 110110060499965.

It is an arithmetic number, because the mean of its divisors is an integer number (110110060499965).

Almost surely, 2^{220220120999929} is an apocalyptic number.

It is an amenable number.

220220120999929 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220120999929 is an equidigital number, since it uses as much as digits as its factorization.

220220120999929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 58.

The spelling of 220220120999929 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred twenty million, nine hundred ninety-nine thousand, nine hundred twenty-nine".