20401041 has 8 divisors (see below), whose sum is σ = 28633120. Its totient is φ = 12884832.

The previous prime is 20401033. The next prime is 20401057. The reversal of 20401041 is 14010402.

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

It is not a de Polignac number, because 20401041 - 2³ = 20401033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20401001) 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 7 ways as a sum of consecutive naturals, for example, 178900 + ... + 179013.

It is an arithmetic number, because the mean of its divisors is an integer number (3579140).

Almost surely, 2^20401041 is an apocalyptic number.

It is an amenable number.

20401041 is a deficient number, since it is larger than the sum of its proper divisors (8232079).

20401041 is a wasteful number, since it uses less digits than its factorization.

20401041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357935.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20401041 is about 4516.7511554213. The cubic root of 20401041 is about 273.2440892797.

Adding to 20401041 its reverse (14010402), we get a palindrome (34411443).

It can be divided in two parts, 2040 and 1041, that added together give a triangular number (3081 = T₇₈).

The spelling of 20401041 in words is "twenty million, four hundred one thousand, forty-one".