20433495 has 16 divisors (see below), whose sum is σ = 33748992. Its totient is φ = 10546080.

The previous prime is 20433481. The next prime is 20433533. The reversal of 20433495 is 59433402.

It is not a de Polignac number, because 20433495 - 2⁵ = 20433463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21507 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (2109312).

Almost surely, 2^20433495 is an apocalyptic number.

20433495 is a deficient number, since it is larger than the sum of its proper divisors (13315497).

20433495 is a wasteful number, since it uses less digits than its factorization.

20433495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43982.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 20433495 is about 4520.3423542913. The cubic root of 20433495 is about 273.3889048554.

Adding to 20433495 its reverse (59433402), we get a palindrome (79866897).

The spelling of 20433495 in words is "twenty million, four hundred thirty-three thousand, four hundred ninety-five".