20010344401 has 4 divisors (see below), whose sum is σ = 20044089252. Its totient is φ = 19976599552.

The previous prime is 20010344383. The next prime is 20010344429. The reversal of 20010344401 is 10444301002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13368909376 + 6641435025 = 115624^2 + 81495^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010344401 - 2²¹ = 20008247249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010344441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16871536 + ... + 16872721.

It is an arithmetic number, because the mean of its divisors is an integer number (5011022313).

Almost surely, 2^20010344401 is an apocalyptic number.

It is an amenable number.

20010344401 is a deficient number, since it is larger than the sum of its proper divisors (33744851).

20010344401 is an equidigital number, since it uses as much as digits as its factorization.

20010344401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33744850.

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

Adding to 20010344401 its reverse (10444301002), we get a palindrome (30454645403).

The spelling of 20010344401 in words is "twenty billion, ten million, three hundred forty-four thousand, four hundred one".