20423214203 has 8 divisors (see below), whose sum is σ = 23343921120. Its totient is φ = 17503283520.

The previous prime is 20423214173. The next prime is 20423214233. The reversal of 20423214203 is 30241232402.

It is an interprime number because it is at equal distance from previous prime (20423214173) and next prime (20423214233).

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 20423214203 - 2²² = 20419019899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20423214233) 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, 136538 + ... + 243903.

It is an arithmetic number, because the mean of its divisors is an integer number (2917990140).

Almost surely, 2^20423214203 is an apocalyptic number.

20423214203 is a deficient number, since it is larger than the sum of its proper divisors (2920706917).

20423214203 is an equidigital number, since it uses as much as digits as its factorization.

20423214203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388117.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20423214203 its reverse (30241232402), we get a palindrome (50664446605).

The spelling of 20423214203 in words is "twenty billion, four hundred twenty-three million, two hundred fourteen thousand, two hundred three".