20441287432 has 16 divisors (see below), whose sum is σ = 38384374140. Its totient is φ = 10205454336.

The previous prime is 20441287409. The next prime is 20441287469. The reversal of 20441287432 is 23478214402.

It can be written as a sum of positive squares in 2 ways, for example, as 20376420516 + 64866916 = 142746^2 + 8054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20441287391 and 20441287400.

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 in 3 ways as a sum of consecutive naturals, for example, 1892953 + ... + 1903720.

Almost surely, 2^20441287432 is an apocalyptic number.

It is an amenable number.

20441287432 is a deficient number, since it is larger than the sum of its proper divisors (17943086708).

20441287432 is a wasteful number, since it uses less digits than its factorization.

20441287432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797352 (or 3797348 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 37.

The spelling of 20441287432 in words is "twenty billion, four hundred forty-one million, two hundred eighty-seven thousand, four hundred thirty-two".