202530213430 has 32 divisors (see below), whose sum is σ = 367624765440. Its totient is φ = 80330473440.

The previous prime is 202530213383. The next prime is 202530213433. The reversal of 202530213430 is 34312035202.

It is a junction number, because it is equal to n+sod(n) for n = 202530213395 and 202530213404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202530213433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2343895 + ... + 2428765.

It is an arithmetic number, because the mean of its divisors is an integer number (11488273920).

Almost surely, 2^202530213430 is an apocalyptic number.

202530213430 is a deficient number, since it is larger than the sum of its proper divisors (165094552010).

202530213430 is a wasteful number, since it uses less digits than its factorization.

202530213430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86884.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 202530213430 its reverse (34312035202), we get a palindrome (236842248632).

The spelling of 202530213430 in words is "two hundred two billion, five hundred thirty million, two hundred thirteen thousand, four hundred thirty".