20941349 has 12 divisors (see below), whose sum is σ = 24790668. Its totient is φ = 17571840.

The previous prime is 20941321. The next prime is 20941351. The reversal of 20941349 is 94314902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5085025 + 15856324 = 2255^2 + 3982^2 .

It is not a de Polignac number, because 20941349 - 2¹² = 20937253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20941549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5084 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (2065889).

Almost surely, 2^20941349 is an apocalyptic number.

It is an amenable number.

20941349 is a deficient number, since it is larger than the sum of its proper divisors (3849319).

20941349 is a wasteful number, since it uses less digits than its factorization.

20941349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348 (or 13337 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 20941349 is about 4576.1718717723. The cubic root of 20941349 is about 275.6353310676.

It can be divided in two parts, 2094 and 1349, that added together give a palindrome (3443).

The spelling of 20941349 in words is "twenty million, nine hundred forty-one thousand, three hundred forty-nine".