20243401401 has 32 divisors (see below), whose sum is σ = 29788001280. Its totient is φ = 12171297600.

The previous prime is 20243401397. The next prime is 20243401403. The reversal of 20243401401 is 10410434202.

It is not a de Polignac number, because 20243401401 - 2² = 20243401397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20243401403) 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 31 ways as a sum of consecutive naturals, for example, 240031 + ... + 313211.

It is an arithmetic number, because the mean of its divisors is an integer number (930875040).

Almost surely, 2^20243401401 is an apocalyptic number.

It is an amenable number.

20243401401 is a deficient number, since it is larger than the sum of its proper divisors (9544599879).

20243401401 is a wasteful number, since it uses less digits than its factorization.

20243401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73437.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20243401401 its reverse (10410434202), we get a palindrome (30653835603).

The spelling of 20243401401 in words is "twenty billion, two hundred forty-three million, four hundred one thousand, four hundred one".