202340402 has 16 divisors (see below), whose sum is σ = 336046752. Its totient is φ = 90599520.

The previous prime is 202340401. The next prime is 202340419. The reversal of 202340402 is 204043202.

It is not an unprimeable number, because it can be changed into a prime (202340401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67163 + ... + 70110.

It is an arithmetic number, because the mean of its divisors is an integer number (21002922).

Almost surely, 2^202340402 is an apocalyptic number.

202340402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202340402 is a deficient number, since it is larger than the sum of its proper divisors (133706350).

202340402 is a wasteful number, since it uses less digits than its factorization.

202340402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137353.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 202340402 is about 14224.6406632997. The cubic root of 202340402 is about 587.0758327773.

Adding to 202340402 its reverse (204043202), we get a palindrome (406383604).

The spelling of 202340402 in words is "two hundred two million, three hundred forty thousand, four hundred two".