20022105215053 has 2 divisors, whose sum is σ = 20022105215054. Its totient is φ = 20022105215052.

The previous prime is 20022105214973. The next prime is 20022105215081. The reversal of 20022105215053 is 35051250122002.

It is an a-pointer prime, because the next prime (20022105215081) can be obtained adding 20022105215053 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19798779974724 + 223325240329 = 4449582^2 + 472573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022105215053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022105215653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011052607526 + 10011052607527.

It is an arithmetic number, because the mean of its divisors is an integer number (10011052607527).

Almost surely, 2^{20022105215053} is an apocalyptic number.

It is an amenable number.

20022105215053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022105215053 is an equidigital number, since it uses as much as digits as its factorization.

20022105215053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 20022105215053 its reverse (35051250122002), we get a palindrome (55073355337055).

The spelling of 20022105215053 in words is "twenty trillion, twenty-two billion, one hundred five million, two hundred fifteen thousand, fifty-three".