20413330349 has 2 divisors, whose sum is σ = 20413330350. Its totient is φ = 20413330348.

The previous prime is 20413330313. The next prime is 20413330417. The reversal of 20413330349 is 94303331402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18602232100 + 1811098249 = 136390^2 + 42557^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413330349 - 2¹² = 20413326253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20413330849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206665174 + 10206665175.

It is an arithmetic number, because the mean of its divisors is an integer number (10206665175).

Almost surely, 2^20413330349 is an apocalyptic number.

It is an amenable number.

20413330349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413330349 is an equidigital number, since it uses as much as digits as its factorization.

20413330349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 20413330349 in words is "twenty billion, four hundred thirteen million, three hundred thirty thousand, three hundred forty-nine".