20741193 has 24 divisors (see below), whose sum is σ = 34107840. Its totient is φ = 12022560.

The previous prime is 20741167. The next prime is 20741197. The reversal of 20741193 is 39114702.

It is not a de Polignac number, because 20741193 - 2⁶ = 20741129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20741197) 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 23 ways as a sum of consecutive naturals, for example, 2278 + ... + 6831.

It is an arithmetic number, because the mean of its divisors is an integer number (1421160).

Almost surely, 2^20741193 is an apocalyptic number.

20741193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20741193 is a deficient number, since it is larger than the sum of its proper divisors (13366647).

20741193 is a wasteful number, since it uses less digits than its factorization.

20741193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149 (or 9146 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 20741193 is about 4554.2499931383. The cubic root of 20741193 is about 274.7543503305.

Adding to 20741193 its reverse (39114702), we get a palindrome (59855895).

The spelling of 20741193 in words is "twenty million, seven hundred forty-one thousand, one hundred ninety-three".