20372041 has 4 divisors (see below), whose sum is σ = 20394900. Its totient is φ = 20349184.

The previous prime is 20372029. The next prime is 20372059. The reversal of 20372041 is 14027302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10916416 + 9455625 = 3304^2 + 3075^2 .

It is a cyclic number.

It is not a de Polignac number, because 20372041 - 2¹⁵ = 20339273 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (20372071) 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 3 ways as a sum of consecutive naturals, for example, 10036 + ... + 11893.

It is an arithmetic number, because the mean of its divisors is an integer number (5098725).

Almost surely, 2^20372041 is an apocalyptic number.

It is an amenable number.

20372041 is a deficient number, since it is larger than the sum of its proper divisors (22859).

20372041 is an equidigital number, since it uses as much as digits as its factorization.

20372041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22858.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20372041 is about 4513.5397417105. The cubic root of 20372041 is about 273.1145560819.

Adding to 20372041 its reverse (14027302), we get a palindrome (34399343).

The spelling of 20372041 in words is "twenty million, three hundred seventy-two thousand, forty-one".