20054432 has 12 divisors (see below), whose sum is σ = 39482226. Its totient is φ = 10027200.

The previous prime is 20054431. The next prime is 20054467. The reversal of 20054432 is 23445002.

It can be written as a sum of positive squares in only one way, i.e., 11316496 + 8737936 = 3364^2 + 2956^2 .

It is not an unprimeable number, because it can be changed into a prime (20054431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313319 + ... + 313382.

Almost surely, 2^20054432 is an apocalyptic number.

It is an amenable number.

20054432 is a deficient number, since it is larger than the sum of its proper divisors (19427794).

20054432 is an equidigital number, since it uses as much as digits as its factorization.

20054432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626711 (or 626703 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20054432 is about 4478.2175025338. The cubic root of 20054432 is about 271.6877905631.

Adding to 20054432 its reverse (23445002), we get a palindrome (43499434).

The spelling of 20054432 in words is "twenty million, fifty-four thousand, four hundred thirty-two".