20321332302053 has 2 divisors, whose sum is σ = 20321332302054. Its totient is φ = 20321332302052.

The previous prime is 20321332301953. The next prime is 20321332302119. The reversal of 20321332302053 is 35020323312302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18699726165124 + 1621606136929 = 4324318^2 + 1273423^2 .

It is a cyclic number.

It is not a de Polignac number, because 20321332302053 - 2¹⁰ = 20321332301029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20321332302553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160666151026 + 10160666151027.

It is an arithmetic number, because the mean of its divisors is an integer number (10160666151027).

Almost surely, 2^{20321332302053} is an apocalyptic number.

It is an amenable number.

20321332302053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20321332302053 is an equidigital number, since it uses as much as digits as its factorization.

20321332302053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 20321332302053 its reverse (35020323312302), we get a palindrome (55341655614355).

The spelling of 20321332302053 in words is "twenty trillion, three hundred twenty-one billion, three hundred thirty-two million, three hundred two thousand, fifty-three".