20344010401 has 16 divisors (see below), whose sum is σ = 24203208960. Its totient is φ = 16855787520.

The previous prime is 20344010399. The next prime is 20344010417. The reversal of 20344010401 is 10401044302.

It is not a de Polignac number, because 20344010401 - 2¹ = 20344010399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20344010441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889120 + ... + 911713.

It is an arithmetic number, because the mean of its divisors is an integer number (1512700560).

Almost surely, 2^20344010401 is an apocalyptic number.

It is an amenable number.

20344010401 is a deficient number, since it is larger than the sum of its proper divisors (3859198559).

20344010401 is a wasteful number, since it uses less digits than its factorization.

20344010401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800936.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20344010401 its reverse (10401044302), we get a palindrome (30745054703).

The spelling of 20344010401 in words is "twenty billion, three hundred forty-four million, ten thousand, four hundred one".