202256340 has 144 divisors (see below), whose sum is σ = 670677504. Its totient is φ = 45239040.

The previous prime is 202256339. The next prime is 202256347. The reversal of 202256340 is 43652202.

202256340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202256340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202256347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93309 + ... + 95451.

Almost surely, 2^202256340 is an apocalyptic number.

202256340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202256340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335338752).

202256340 is an abundant number, since it is smaller than the sum of its proper divisors (468421164).

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

202256340 is a wasteful number, since it uses less digits than its factorization.

202256340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 202256340 is about 14221.6855541107. The cubic root of 202256340 is about 586.9945216073.

It can be divided in two parts, 20225 and 6340, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 202256340 in words is "two hundred two million, two hundred fifty-six thousand, three hundred forty".