202681038 has 64 divisors (see below), whose sum is σ = 506400768. Its totient is φ = 52738560.

The previous prime is 202681013. The next prime is 202681111. The reversal of 202681038 is 830186202.

It is a junction number, because it is equal to n+sod(n) for n = 202680996 and 202681014.

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 31 ways as a sum of consecutive naturals, for example, 17556 + ... + 26712.

It is an arithmetic number, because the mean of its divisors is an integer number (7912512).

Almost surely, 2^202681038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202681038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253200384).

202681038 is an abundant number, since it is smaller than the sum of its proper divisors (303719730).

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

202681038 is a wasteful number, since it uses less digits than its factorization.

202681038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 202681038 is about 14236.6090766025. The cubic root of 202681038 is about 587.4050915346.

The spelling of 202681038 in words is "two hundred two million, six hundred eighty-one thousand, thirty-eight".