202434030 has 144 divisors (see below), whose sum is σ = 568923264. Its totient is φ = 49870080.

The previous prime is 202433983. The next prime is 202434031. The reversal of 202434030 is 30434202.

202434030 is a `hidden beast` number, since 20 + 243 + 403 + 0 = 666.

202434030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202433994 and 202434012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202434031) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3819484 + ... + 3819536.

It is an arithmetic number, because the mean of its divisors is an integer number (3950856).

Almost surely, 2^202434030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202434030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284461632).

202434030 is an abundant number, since it is smaller than the sum of its proper divisors (366489234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202434030 is a wasteful number, since it uses less digits than its factorization.

202434030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 202434030 is about 14227.9313324179. The cubic root of 202434030 is about 587.1663704052.

Adding to 202434030 its reverse (30434202), we get a palindrome (232868232).

The spelling of 202434030 in words is "two hundred two million, four hundred thirty-four thousand, thirty".