20110020220253 has 2 divisors, whose sum is σ = 20110020220254. Its totient is φ = 20110020220252.

The previous prime is 20110020220211. The next prime is 20110020220271. The reversal of 20110020220253 is 35202202001102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20109825422404 + 194797849 = 4484398^2 + 13957^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110020220253 - 2³² = 20105725252957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110020280253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055010110126 + 10055010110127.

It is an arithmetic number, because the mean of its divisors is an integer number (10055010110127).

Almost surely, 2^{20110020220253} is an apocalyptic number.

It is an amenable number.

20110020220253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110020220253 is an equidigital number, since it uses as much as digits as its factorization.

20110020220253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20110020220253 its reverse (35202202001102), we get a palindrome (55312222221355).

The spelling of 20110020220253 in words is "twenty trillion, one hundred ten billion, twenty million, two hundred twenty thousand, two hundred fifty-three".