20240320143 has 16 divisors (see below), whose sum is σ = 27911181312. Its totient is φ = 13033176000.

The previous prime is 20240320141. The next prime is 20240320153. The reversal of 20240320143 is 34102304202.

It is not a de Polignac number, because 20240320143 - 2¹ = 20240320141 is a prime.

It is a super-2 number, since 2×20240320143² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240320141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160413 + ... + 257318.

It is an arithmetic number, because the mean of its divisors is an integer number (1744448832).

Almost surely, 2^20240320143 is an apocalyptic number.

20240320143 is a deficient number, since it is larger than the sum of its proper divisors (7670861169).

20240320143 is a wasteful number, since it uses less digits than its factorization.

20240320143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418286.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20240320143 its reverse (34102304202), we get a palindrome (54342624345).

The spelling of 20240320143 in words is "twenty billion, two hundred forty million, three hundred twenty thousand, one hundred forty-three".