20424430335401 has 8 divisors (see below), whose sum is σ = 21630726147744. Its totient is φ = 19218674382400.

The previous prime is 20424430335389. The next prime is 20424430335457. The reversal of 20424430335401 is 10453303442402.

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-20424430335401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20424430332401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134886935 + ... + 135038268.

It is an arithmetic number, because the mean of its divisors is an integer number (2703840768468).

Almost surely, 2^{20424430335401} is an apocalyptic number.

It is an amenable number.

20424430335401 is a deficient number, since it is larger than the sum of its proper divisors (1206295812343).

20424430335401 is a wasteful number, since it uses less digits than its factorization.

20424430335401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269929671.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 20424430335401 its reverse (10453303442402), we get a palindrome (30877733777803).

The spelling of 20424430335401 in words is "twenty trillion, four hundred twenty-four billion, four hundred thirty million, three hundred thirty-five thousand, four hundred one".