202142304 has 240 divisors, whose sum is σ = 732539808. Its totient is φ = 53250048.

The previous prime is 202142299. The next prime is 202142323. The reversal of 202142304 is 403241202.

It is a super-2 number, since 2×202142304² = 81723022132856832, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 235444 + ... + 236300.

Almost surely, 2^202142304 is an apocalyptic number.

202142304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202142304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366269904).

202142304 is an abundant number, since it is smaller than the sum of its proper divisors (530397504).

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

202142304 is a wasteful number, since it uses less digits than its factorization.

202142304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 882 counting only the distinct ones).

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

The square root of 202142304 is about 14217.6757594200. The cubic root of 202142304 is about 586.8841812811.

Adding to 202142304 its reverse (403241202), we get a palindrome (605383506).

The spelling of 202142304 in words is "two hundred two million, one hundred forty-two thousand, three hundred four".