20253230143 has 16 divisors (see below), whose sum is σ = 22232369376. Its totient is φ = 18372828160.

The previous prime is 20253230077. The next prime is 20253230201. The reversal of 20253230143 is 34103235202.

It is not a de Polignac number, because 20253230143 - 2⁹ = 20253229631 is a prime.

It is a super-3 number, since 3×20253230143³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20253290143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117196 + ... + 232897.

It is an arithmetic number, because the mean of its divisors is an integer number (1389523086).

Almost surely, 2^20253230143 is an apocalyptic number.

20253230143 is a deficient number, since it is larger than the sum of its proper divisors (1979139233).

20253230143 is a wasteful number, since it uses less digits than its factorization.

20253230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350234.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20253230143 its reverse (34103235202), we get a palindrome (54356465345).

The spelling of 20253230143 in words is "twenty billion, two hundred fifty-three million, two hundred thirty thousand, one hundred forty-three".