14020052021 has 2 divisors, whose sum is σ = 14020052022. Its totient is φ = 14020052020.

The previous prime is 14020051957. The next prime is 14020052087. The reversal of 14020052021 is 12025002041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11511144100 + 2508907921 = 107290^2 + 50089^2 .

It is a cyclic number.

It is not a de Polignac number, because 14020052021 - 2⁶ = 14020051957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14020052521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7010026010 + 7010026011.

It is an arithmetic number, because the mean of its divisors is an integer number (7010026011).

Almost surely, 2^14020052021 is an apocalyptic number.

It is an amenable number.

14020052021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14020052021 is an equidigital number, since it uses as much as digits as its factorization.

14020052021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 14020052021 its reverse (12025002041), we get a palindrome (26045054062).

The spelling of 14020052021 in words is "fourteen billion, twenty million, fifty-two thousand, twenty-one".