20002423401 has 6 divisors (see below), whose sum is σ = 28892389370. Its totient is φ = 13334948928.

The previous prime is 20002423321. The next prime is 20002423423. The reversal of 20002423401 is 10432420002.

20002423401 is a `hidden beast` number, since 20 + 0 + 0 + 242 + 3 + 401 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15560067600 + 4442355801 = 124740^2 + 66651^2 .

It is not a de Polignac number, because 20002423401 - 2¹⁵ = 20002390633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002423801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111245736 + ... + 1111245753.

Almost surely, 2^20002423401 is an apocalyptic number.

It is an amenable number.

20002423401 is a deficient number, since it is larger than the sum of its proper divisors (8889965969).

20002423401 is a wasteful number, since it uses less digits than its factorization.

20002423401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222491495 (or 2222491492 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20002423401 its reverse (10432420002), we get a palindrome (30434843403).

The spelling of 20002423401 in words is "twenty billion, two million, four hundred twenty-three thousand, four hundred one".