10020143 has 4 divisors (see below), whose sum is σ = 11451600. Its totient is φ = 8588688.

The previous prime is 10020137. The next prime is 10020151. The reversal of 10020143 is 34102001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10020143 - 2⁶ = 10020079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020103) 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 3 ways as a sum of consecutive naturals, for example, 715718 + ... + 715731.

It is an arithmetic number, because the mean of its divisors is an integer number (2862900).

Almost surely, 2^10020143 is an apocalyptic number.

10020143 is a deficient number, since it is larger than the sum of its proper divisors (1431457).

10020143 is an equidigital number, since it uses as much as digits as its factorization.

10020143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431456.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10020143 is about 3165.4609458971. The cubic root of 10020143 is about 215.5880279115.

Adding to 10020143 its reverse (34102001), we get a palindrome (44122144).

The spelling of 10020143 in words is "ten million, twenty thousand, one hundred forty-three".