20452041 has 16 divisors (see below), whose sum is σ = 30438720. Its totient is φ = 13572000.

The previous prime is 20452039. The next prime is 20452049. The reversal of 20452041 is 14025402.

It is not a de Polignac number, because 20452041 - 2¹ = 20452039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20452049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4666 + ... + 7916.

It is an arithmetic number, because the mean of its divisors is an integer number (1902420).

Almost surely, 2^20452041 is an apocalyptic number.

It is an amenable number.

20452041 is a deficient number, since it is larger than the sum of its proper divisors (9986679).

20452041 is a wasteful number, since it uses less digits than its factorization.

20452041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493 (or 3487 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20452041 is about 4522.3932823230. The cubic root of 20452041 is about 273.4715915981.

Adding to 20452041 its reverse (14025402), we get a palindrome (34477443).

The spelling of 20452041 in words is "twenty million, four hundred fifty-two thousand, forty-one".