20414013030421 has 2 divisors, whose sum is σ = 20414013030422. Its totient is φ = 20414013030420.

The previous prime is 20414013030329. The next prime is 20414013030427. The reversal of 20414013030421 is 12403031041402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10863681920100 + 9550331110321 = 3296010^2 + 3090361^2 .

It is a cyclic number.

It is not a de Polignac number, because 20414013030421 - 2⁷ = 20414013030293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20414013030427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10207006515210 + 10207006515211.

It is an arithmetic number, because the mean of its divisors is an integer number (10207006515211).

Almost surely, 2^{20414013030421} is an apocalyptic number.

It is an amenable number.

20414013030421 is a deficient number, since it is larger than the sum of its proper divisors (1).

20414013030421 is an equidigital number, since it uses as much as digits as its factorization.

20414013030421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20414013030421 its reverse (12403031041402), we get a palindrome (32817044071823).

The spelling of 20414013030421 in words is "twenty trillion, four hundred fourteen billion, thirteen million, thirty thousand, four hundred twenty-one".