202840102 has 8 divisors (see below), whose sum is σ = 304561800. Its totient is φ = 101319504.

The previous prime is 202840087. The next prime is 202840117. The reversal of 202840102 is 201048202.

It is an interprime number because it is at equal distance from previous prime (202840087) and next prime (202840117).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202840102² = 82288213958740808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202840102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47727 + ... + 51802.

It is an arithmetic number, because the mean of its divisors is an integer number (38070225).

Almost surely, 2^202840102 is an apocalyptic number.

202840102 is a deficient number, since it is larger than the sum of its proper divisors (101721698).

202840102 is a wasteful number, since it uses less digits than its factorization.

202840102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100550.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 202840102 is about 14242.1944236132. The cubic root of 202840102 is about 587.5587164493.

Adding to 202840102 its reverse (201048202), we get a palindrome (403888304).

The spelling of 202840102 in words is "two hundred two million, eight hundred forty thousand, one hundred two".