20301313033381 has 2 divisors, whose sum is σ = 20301313033382. Its totient is φ = 20301313033380.

The previous prime is 20301313033333. The next prime is 20301313033399. The reversal of 20301313033381 is 18333031310302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17467309130881 + 2834003902500 = 4179391^2 + 1683450^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301313033381 - 2³⁵ = 20266953295013 is a prime.

It is a super-2 number, since 2×20301313033381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20301313033181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150656516690 + 10150656516691.

It is an arithmetic number, because the mean of its divisors is an integer number (10150656516691).

Almost surely, 2^{20301313033381} is an apocalyptic number.

It is an amenable number.

20301313033381 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301313033381 is an equidigital number, since it uses as much as digits as its factorization.

20301313033381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 20301313033381 its reverse (18333031310302), we get a palindrome (38634344343683).

The spelling of 20301313033381 in words is "twenty trillion, three hundred one billion, three hundred thirteen million, thirty-three thousand, three hundred eighty-one".