20400200441 has 8 divisors (see below), whose sum is σ = 20532946560. Its totient is φ = 20267880048.

The previous prime is 20400200419. The next prime is 20400200521. The reversal of 20400200441 is 14400200402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20400200441 - 2⁶ = 20400200377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20400200341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10001 + ... + 202238.

It is an arithmetic number, because the mean of its divisors is an integer number (2566618320).

Almost surely, 2^20400200441 is an apocalyptic number.

It is an amenable number.

20400200441 is a deficient number, since it is larger than the sum of its proper divisors (132746119).

20400200441 is a wasteful number, since it uses less digits than its factorization.

20400200441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212863.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20400200441 its reverse (14400200402), we get a palindrome (34800400843).

The spelling of 20400200441 in words is "twenty billion, four hundred million, two hundred thousand, four hundred forty-one".