20028341413 has 2 divisors, whose sum is σ = 20028341414. Its totient is φ = 20028341412.

The previous prime is 20028341407. The next prime is 20028341467. The reversal of 20028341413 is 31414382002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12432696004 + 7595645409 = 111502^2 + 87153^2 .

It is a cyclic number.

It is not a de Polignac number, because 20028341413 - 2²¹ = 20026244261 is a prime.

It is a super-2 number, since 2×20028341413² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20028341513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10014170706 + 10014170707.

It is an arithmetic number, because the mean of its divisors is an integer number (10014170707).

Almost surely, 2^20028341413 is an apocalyptic number.

It is an amenable number.

20028341413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20028341413 is an equidigital number, since it uses as much as digits as its factorization.

20028341413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 20028341413 in words is "twenty billion, twenty-eight million, three hundred forty-one thousand, four hundred thirteen".