20144343 has 16 divisors (see below), whose sum is σ = 28244736. Its totient is φ = 12745920.

The previous prime is 20144321. The next prime is 20144347. The reversal of 20144343 is 34344102.

It is not a de Polignac number, because 20144343 - 2⁶ = 20144279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8388 + ... + 10518.

It is an arithmetic number, because the mean of its divisors is an integer number (1765296).

Almost surely, 2^20144343 is an apocalyptic number.

20144343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20144343 is a deficient number, since it is larger than the sum of its proper divisors (8100393).

20144343 is a wasteful number, since it uses less digits than its factorization.

20144343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294.

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

The square root of 20144343 is about 4488.2449799448. The cubic root of 20144343 is about 272.0932089364.

Adding to 20144343 its reverse (34344102), we get a palindrome (54488445).

It can be divided in two parts, 201 and 44343, that added together give a palindrome (44544).

The spelling of 20144343 in words is "twenty million, one hundred forty-four thousand, three hundred forty-three".