620004143 has 24 divisors (see below), whose sum is σ = 730642176. Its totient is φ = 521413200.

The previous prime is 620004139. The next prime is 620004179. The reversal of 620004143 is 341400026.

It is a happy number.

620004143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620004143 - 2² = 620004139 is a prime.

It is a super-3 number, since 3×620004143³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620004443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168938 + ... + 172568.

It is an arithmetic number, because the mean of its divisors is an integer number (30443424).

Almost surely, 2^620004143 is an apocalyptic number.

620004143 is a deficient number, since it is larger than the sum of its proper divisors (110638033).

620004143 is a wasteful number, since it uses less digits than its factorization.

620004143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3704 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 620004143 is about 24899.8823892805. The cubic root of 620004143 is about 852.7037976486.

Adding to 620004143 its reverse (341400026), we get a palindrome (961404169).

The spelling of 620004143 in words is "six hundred twenty million, four thousand, one hundred forty-three".