20541033 has 28 divisors (see below), whose sum is σ = 32440240. Its totient is φ = 12964536.

The previous prime is 20541023. The next prime is 20541043. The reversal of 20541033 is 33014502.

It is an interprime number because it is at equal distance from previous prime (20541023) and next prime (20541043).

It is not a de Polignac number, because 20541033 - 2⁶ = 20540969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20540997 and 20541015.

It is not an unprimeable number, because it can be changed into a prime (20541013) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13110 + ... + 14592.

It is an arithmetic number, because the mean of its divisors is an integer number (1158580).

Almost surely, 2^20541033 is an apocalyptic number.

It is an amenable number.

20541033 is a deficient number, since it is larger than the sum of its proper divisors (11899207).

20541033 is an equidigital number, since it uses as much as digits as its factorization.

20541033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20541033 is about 4532.2216406526. The cubic root of 20541033 is about 273.8676656861.

Adding to 20541033 its reverse (33014502), we get a palindrome (53555535).

The spelling of 20541033 in words is "twenty million, five hundred forty-one thousand, thirty-three".