20540010401 has 8 divisors (see below), whose sum is σ = 21776613600. Its totient is φ = 19318962240.

The previous prime is 20540010389. The next prime is 20540010443. The reversal of 20540010401 is 10401004502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20540010401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20540010401.

It is not an unprimeable number, because it can be changed into a prime (20540000401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3886040 + ... + 3891321.

It is an arithmetic number, because the mean of its divisors is an integer number (2722076700).

Almost surely, 2^20540010401 is an apocalyptic number.

It is an amenable number.

20540010401 is a deficient number, since it is larger than the sum of its proper divisors (1236603199).

20540010401 is a wasteful number, since it uses less digits than its factorization.

20540010401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777519.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 20540010401 its reverse (10401004502), we get a palindrome (30941014903).

The spelling of 20540010401 in words is "twenty billion, five hundred forty million, ten thousand, four hundred one".