20320041 has 16 divisors (see below), whose sum is σ = 31549824. Its totient is φ = 11391744.

The previous prime is 20320033. The next prime is 20320043. The reversal of 20320041 is 14002302.

It is not a de Polignac number, because 20320041 - 2³ = 20320033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20319999 and 20320026.

It is not an unprimeable number, because it can be changed into a prime (20320043) 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, 8016 + ... + 10241.

It is an arithmetic number, because the mean of its divisors is an integer number (1971864).

Almost surely, 2^20320041 is an apocalyptic number.

20320041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20320041 is a deficient number, since it is larger than the sum of its proper divisors (11229783).

20320041 is a wasteful number, since it uses less digits than its factorization.

20320041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18320.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20320041 is about 4507.7756155337. The cubic root of 20320041 is about 272.8819814851.

Adding to 20320041 its reverse (14002302), we get a palindrome (34322343).

The spelling of 20320041 in words is "twenty million, three hundred twenty thousand, forty-one".