20144240203 has 8 divisors (see below), whose sum is σ = 20435456736. Its totient is φ = 19853232000.

The previous prime is 20144240201. The next prime is 20144240309. The reversal of 20144240203 is 30204244102.

It is a happy number.

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 20144240203 - 2¹ = 20144240201 is a prime.

It is a super-2 number, since 2×20144240203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144240201) 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, 148225 + ... + 249517.

It is an arithmetic number, because the mean of its divisors is an integer number (2554432092).

Almost surely, 2^20144240203 is an apocalyptic number.

20144240203 is a deficient number, since it is larger than the sum of its proper divisors (291216533).

20144240203 is a wasteful number, since it uses less digits than its factorization.

20144240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104165.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20144240203 its reverse (30204244102), we get a palindrome (50348484305).

The spelling of 20144240203 in words is "twenty billion, one hundred forty-four million, two hundred forty thousand, two hundred three".