202102072 has 16 divisors (see below), whose sum is σ = 379524600. Its totient is φ = 100895520.

The previous prime is 202102067. The next prime is 202102093. The reversal of 202102072 is 270201202.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13822 + ... + 24397.

Almost surely, 2^202102072 is an apocalyptic number.

It is an amenable number.

202102072 is a deficient number, since it is larger than the sum of its proper divisors (177422528).

202102072 is a wasteful number, since it uses less digits than its factorization.

202102072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38886 (or 38882 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 202102072 is about 14216.2608304716. The cubic root of 202102072 is about 586.8452432153.

Adding to 202102072 its reverse (270201202), we get a palindrome (472303274).

The spelling of 202102072 in words is "two hundred two million, one hundred two thousand, seventy-two".