220020200099957 has 2 divisors, whose sum is σ = 220020200099958. Its totient is φ = 220020200099956.

The previous prime is 220020200099951. The next prime is 220020200100011. The reversal of 220020200099957 is 759990002020022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146410217800081 + 73609982299876 = 12100009^2 + 8579626^2 .

It is a cyclic number.

It is not a de Polignac number, because 220020200099957 - 2⁶ = 220020200099893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220020200099951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010100049978 + 110010100049979.

It is an arithmetic number, because the mean of its divisors is an integer number (110010100049979).

Almost surely, 2^{220020200099957} is an apocalyptic number.

It is an amenable number.

220020200099957 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020200099957 is an equidigital number, since it uses as much as digits as its factorization.

220020200099957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 220020200099957 in words is "two hundred twenty trillion, twenty billion, two hundred million, ninety-nine thousand, nine hundred fifty-seven".