202142324 has 6 divisors (see below), whose sum is σ = 353749074. Its totient is φ = 101071160.

The previous prime is 202142323. The next prime is 202142327. The reversal of 202142324 is 423241202.

It can be written as a sum of positive squares in only one way, i.e., 177955600 + 24186724 = 13340^2 + 4918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202142296 and 202142305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202142323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25267787 + ... + 25267794.

It is an arithmetic number, because the mean of its divisors is an integer number (58958179).

Almost surely, 2^202142324 is an apocalyptic number.

It is an amenable number.

202142324 is a deficient number, since it is larger than the sum of its proper divisors (151606750).

202142324 is a wasteful number, since it uses less digits than its factorization.

202142324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50535585 (or 50535583 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 202142324 is about 14217.6764627699. The cubic root of 202142324 is about 586.8842006366.

Adding to 202142324 its reverse (423241202), we get a palindrome (625383526).

The spelling of 202142324 in words is "two hundred two million, one hundred forty-two thousand, three hundred twenty-four".