220020010290221 has 2 divisors, whose sum is σ = 220020010290222. Its totient is φ = 220020010290220.

The previous prime is 220020010290131. The next prime is 220020010290233. The reversal of 220020010290221 is 122092010020022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120857350068196 + 99162660222025 = 10993514^2 + 9958045^2 .

It is a cyclic number.

It is not a de Polignac number, because 220020010290221 - 2¹⁴ = 220020010273837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220020010290281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010005145110 + 110010005145111.

It is an arithmetic number, because the mean of its divisors is an integer number (110010005145111).

Almost surely, 2^{220020010290221} is an apocalyptic number.

It is an amenable number.

220020010290221 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020010290221 is an equidigital number, since it uses as much as digits as its factorization.

220020010290221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 220020010290221 in words is "two hundred twenty trillion, twenty billion, ten million, two hundred ninety thousand, two hundred twenty-one".