20202004423 has 8 divisors (see below), whose sum is σ = 20232367488. Its totient is φ = 20171666424.

The previous prime is 20202004411. The next prime is 20202004463. The reversal of 20202004423 is 32440020202.

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

It is a cyclic number.

It is not a de Polignac number, because 20202004423 - 2²⁹ = 19665133511 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 20202004423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202004463) 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, 2102436 + ... + 2112022.

It is an arithmetic number, because the mean of its divisors is an integer number (2529045936).

Almost surely, 2^20202004423 is an apocalyptic number.

20202004423 is a deficient number, since it is larger than the sum of its proper divisors (30363065).

20202004423 is a wasteful number, since it uses less digits than its factorization.

20202004423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20202004423 its reverse (32440020202), we get a palindrome (52642024625).

The spelling of 20202004423 in words is "twenty billion, two hundred two million, four thousand, four hundred twenty-three".