20635041 has 8 divisors (see below), whose sum is σ = 31443904. Its totient is φ = 11791440.

The previous prime is 20635031. The next prime is 20635051. The reversal of 20635041 is 14053602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20635031) and next prime (20635051).

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

It is not a de Polignac number, because 20635041 - 2⁵ = 20635009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 982621 = 20635041 / (2 + 0 + 6 + 3 + 5 + 0 + 4 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20634999 and 20635017.

It is not an unprimeable number, because it can be changed into a prime (20635031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491290 + ... + 491331.

It is an arithmetic number, because the mean of its divisors is an integer number (3930488).

Almost surely, 2^20635041 is an apocalyptic number.

20635041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20635041 is a deficient number, since it is larger than the sum of its proper divisors (10808863).

20635041 is an equidigital number, since it uses as much as digits as its factorization.

20635041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982631.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20635041 is about 4542.5808743489. The cubic root of 20635041 is about 274.2848237896.

Adding to 20635041 its reverse (14053602), we get a palindrome (34688643).

The spelling of 20635041 in words is "twenty million, six hundred thirty-five thousand, forty-one".