20952041 has 16 divisors (see below), whose sum is σ = 25479360. Its totient is φ = 16980480.

The previous prime is 20951993. The next prime is 20952049. The reversal of 20952041 is 14025902.

It is not a de Polignac number, because 20952041 - 2⁶ = 20951977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20951998 and 20952016.

It is not an unprimeable number, because it can be changed into a prime (20952049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (1592460).

Almost surely, 2^20952041 is an apocalyptic number.

It is an amenable number.

20952041 is a deficient number, since it is larger than the sum of its proper divisors (4527319).

20952041 is a wasteful number, since it uses less digits than its factorization.

20952041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 20952041 is about 4577.3399480484. The cubic root of 20952041 is about 275.6822333555.

Adding to 20952041 its reverse (14025902), we get a palindrome (34977943).

The spelling of 20952041 in words is "twenty million, nine hundred fifty-two thousand, forty-one".