20332349 has 2 divisors, whose sum is σ = 20332350. Its totient is φ = 20332348.

The previous prime is 20332343. The next prime is 20332363. The reversal of 20332349 is 94323302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 5968249 = 3790^2 + 2443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166174 + 10166175.

It is an arithmetic number, because the mean of its divisors is an integer number (10166175).

Almost surely, 2^20332349 is an apocalyptic number.

It is an amenable number.

20332349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332349 is an equidigital number, since it uses as much as digits as its factorization.

20332349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 20332349 is about 4509.1406054813. The cubic root of 20332349 is about 272.9370659137.

The spelling of 20332349 in words is "twenty million, three hundred thirty-two thousand, three hundred forty-nine".