20330654413 has 2 divisors, whose sum is σ = 20330654414. Its totient is φ = 20330654412.

The previous prime is 20330654273. The next prime is 20330654423. The reversal of 20330654413 is 31445603302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12582781929 + 7747872484 = 112173^2 + 88022^2 .

It is a cyclic number.

It is not a de Polignac number, because 20330654413 - 2⁹ = 20330653901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20330654423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165327206 + 10165327207.

It is an arithmetic number, because the mean of its divisors is an integer number (10165327207).

Almost surely, 2^20330654413 is an apocalyptic number.

It is an amenable number.

20330654413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330654413 is an equidigital number, since it uses as much as digits as its factorization.

20330654413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 20330654413 in words is "twenty billion, three hundred thirty million, six hundred fifty-four thousand, four hundred thirteen".