20751041 has 8 divisors (see below), whose sum is σ = 21230784. Its totient is φ = 20275920.

The previous prime is 20751023. The next prime is 20751047. The reversal of 20751041 is 14015702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20751041 - 2¹⁰ = 20750017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20751047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8900 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (2653848).

Almost surely, 2^20751041 is an apocalyptic number.

It is an amenable number.

20751041 is a deficient number, since it is larger than the sum of its proper divisors (479743).

20751041 is a wasteful number, since it uses less digits than its factorization.

20751041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 20751041 is about 4555.3310527337. The cubic root of 20751041 is about 274.7978282653.

Adding to 20751041 its reverse (14015702), we get a palindrome (34766743).

The spelling of 20751041 in words is "twenty million, seven hundred fifty-one thousand, forty-one".