20143113 has 8 divisors (see below), whose sum is σ = 28437408. Its totient is φ = 12638784.

The previous prime is 20143099. The next prime is 20143129. The reversal of 20143113 is 31134102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20143113 - 2⁹ = 20142601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20143092 and 20143101.

It is not an unprimeable number, because it can be changed into a prime (20143153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197431 + ... + 197532.

It is an arithmetic number, because the mean of its divisors is an integer number (3554676).

Almost surely, 2^20143113 is an apocalyptic number.

It is an amenable number.

20143113 is a deficient number, since it is larger than the sum of its proper divisors (8294295).

20143113 is a wasteful number, since it uses less digits than its factorization.

20143113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394983.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20143113 is about 4488.1079532471. The cubic root of 20143113 is about 272.0876708811.

Adding to 20143113 its reverse (31134102), we get a palindrome (51277215).

The spelling of 20143113 in words is "twenty million, one hundred forty-three thousand, one hundred thirteen".