402100204143 has 12 divisors (see below), whose sum is σ = 589303880984. Its totient is φ = 243697093200.

The previous prime is 402100204139. The next prime is 402100204169. The reversal of 402100204143 is 341402001204.

It is not a de Polignac number, because 402100204143 - 2² = 402100204139 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 (402100204183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 553856668 + ... + 553857393.

Almost surely, 2^402100204143 is an apocalyptic number.

402100204143 is a deficient number, since it is larger than the sum of its proper divisors (187203676841).

402100204143 is a wasteful number, since it uses less digits than its factorization.

402100204143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107714086 (or 1107714075 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 402100204143 its reverse (341402001204), we get a palindrome (743502205347).

The spelling of 402100204143 in words is "four hundred two billion, one hundred million, two hundred four thousand, one hundred forty-three".