20433010 has 16 divisors (see below), whose sum is σ = 39608856. Its totient is φ = 7544448.

The previous prime is 20432981. The next prime is 20433013. The reversal of 20433010 is 1033402.

It can be written as a sum of positive squares in 4 ways, for example, as 18481401 + 1951609 = 4299^2 + 1397^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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 7 ways as a sum of consecutive naturals, for example, 78459 + ... + 78718.

Almost surely, 2^20433010 is an apocalyptic number.

20433010 is a deficient number, since it is larger than the sum of its proper divisors (19175846).

20433010 is a wasteful number, since it uses less digits than its factorization.

20433010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157197.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20433010 is about 4520.2887075938. The cubic root of 20433010 is about 273.3867418273.

Adding to 20433010 its reverse (1033402), we get a palindrome (21466412).

The spelling of 20433010 in words is "twenty million, four hundred thirty-three thousand, ten".