20433496 has 8 divisors (see below), whose sum is σ = 38312820. Its totient is φ = 10216744.

The previous prime is 20433481. The next prime is 20433533. The reversal of 20433496 is 69433402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1277086 + ... + 1277101.

Almost surely, 2^20433496 is an apocalyptic number.

It is an amenable number.

20433496 is a deficient number, since it is larger than the sum of its proper divisors (17879324).

20433496 is a wasteful number, since it uses less digits than its factorization.

20433496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554193 (or 2554189 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 20433496 is about 4520.3424649024. The cubic root of 20433496 is about 273.3889093152.

Adding to 20433496 its reverse (69433402), we get a palindrome (89866898).

The spelling of 20433496 in words is "twenty million, four hundred thirty-three thousand, four hundred ninety-six".