10040020143 has 4 divisors (see below), whose sum is σ = 13386693528. Its totient is φ = 6693346760.

The previous prime is 10040020087. The next prime is 10040020169. The reversal of 10040020143 is 34102004001.

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 10040020143 - 2⁶ = 10040020079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040020943) 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 3 ways as a sum of consecutive naturals, for example, 1673336688 + ... + 1673336693.

It is an arithmetic number, because the mean of its divisors is an integer number (3346673382).

Almost surely, 2^10040020143 is an apocalyptic number.

10040020143 is a deficient number, since it is larger than the sum of its proper divisors (3346673385).

10040020143 is an equidigital number, since it uses as much as digits as its factorization.

10040020143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346673384.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10040020143 its reverse (34102004001), we get a palindrome (44142024144).

The spelling of 10040020143 in words is "ten billion, forty million, twenty thousand, one hundred forty-three".