202434102 has 24 divisors (see below), whose sum is σ = 472346784. Its totient is φ = 62287344.

The previous prime is 202434059. The next prime is 202434107. The reversal of 202434102 is 201434202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202434107) 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, 432318 + ... + 432785.

It is an arithmetic number, because the mean of its divisors is an integer number (19681116).

Almost surely, 2^202434102 is an apocalyptic number.

202434102 is an abundant number, since it is smaller than the sum of its proper divisors (269912682).

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

202434102 is a wasteful number, since it uses less digits than its factorization.

202434102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865124 (or 865121 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 202434102 is about 14227.9338626520. The cubic root of 202434102 is about 587.1664400180.

Adding to 202434102 its reverse (201434202), we get a palindrome (403868304).

The spelling of 202434102 in words is "two hundred two million, four hundred thirty-four thousand, one hundred two".