20433016 has 16 divisors (see below), whose sum is σ = 39978000. Its totient is φ = 9772224.

The previous prime is 20433013. The next prime is 20433043. The reversal of 20433016 is 61033402.

It is a junction number, because it is equal to n+sod(n) for n = 20432984 and 20433002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433013) 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, 55341 + ... + 55708.

It is an arithmetic number, because the mean of its divisors is an integer number (2498625).

Almost surely, 2^20433016 is an apocalyptic number.

It is an amenable number.

20433016 is a deficient number, since it is larger than the sum of its proper divisors (19544984).

20433016 is a wasteful number, since it uses less digits than its factorization.

20433016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111078 (or 111074 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20433016 is about 4520.2893712682. The cubic root of 20433016 is about 273.3867685866.

Adding to 20433016 its reverse (61033402), we get a palindrome (81466418).

The spelling of 20433016 in words is "twenty million, four hundred thirty-three thousand, sixteen".