20010020220193 has 2 divisors, whose sum is σ = 20010020220194. Its totient is φ = 20010020220192.

The previous prime is 20010020220077. The next prime is 20010020220313. The reversal of 20010020220193 is 39102202001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19078663975569 + 931356244624 = 4367913^2 + 965068^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010020220193 - 2⁹ = 20010020219681 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010020220893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005010110096 + 10005010110097.

It is an arithmetic number, because the mean of its divisors is an integer number (10005010110097).

Almost surely, 2^{20010020220193} is an apocalyptic number.

It is an amenable number.

20010020220193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010020220193 is an equidigital number, since it uses as much as digits as its factorization.

20010020220193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20010020220193 its reverse (39102202001002), we get a palindrome (59112222221195).

The spelling of 20010020220193 in words is "twenty trillion, ten billion, twenty million, two hundred twenty thousand, one hundred ninety-three".