402030213 has 12 divisors (see below), whose sum is σ = 580446720. Its totient is φ = 247402896.

The previous prime is 402030173. The next prime is 402030247. The reversal of 402030213 is 312030204.

It is not a de Polignac number, because 402030213 - 2⁶ = 402030149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402030192 and 402030201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402030113) 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 11 ways as a sum of consecutive naturals, for example, 395973 + ... + 396986.

It is an arithmetic number, because the mean of its divisors is an integer number (48370560).

Almost surely, 2^402030213 is an apocalyptic number.

It is an amenable number.

402030213 is a deficient number, since it is larger than the sum of its proper divisors (178416507).

402030213 is a wasteful number, since it uses less digits than its factorization.

402030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792988 (or 792975 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 402030213 is about 20050.6910853467. The cubic root of 402030213 is about 738.0507581073.

Adding to 402030213 its reverse (312030204), we get a palindrome (714060417).

Subtracting from 402030213 its reverse (312030204), we obtain a palindrome (90000009).

The spelling of 402030213 in words is "four hundred two million, thirty thousand, two hundred thirteen".