202040320 has 44 divisors (see below), whose sum is σ = 484672284. Its totient is φ = 80814080.

The previous prime is 202040287. The next prime is 202040327. The reversal of 202040320 is 23040202.

It can be written as a sum of positive squares in 2 ways, for example, as 67108864 + 134931456 = 8192^2 + 11616^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202040320.

It is not an unprimeable number, because it can be changed into a prime (202040327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14611 + ... + 24850.

Almost surely, 2^202040320 is an apocalyptic number.

202040320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202040320 is an abundant number, since it is smaller than the sum of its proper divisors (282631964).

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

202040320 is an equidigital number, since it uses as much as digits as its factorization.

202040320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39486 (or 39468 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 202040320 is about 14214.0887854269. The cubic root of 202040320 is about 586.7854672176.

Adding to 202040320 its reverse (23040202), we get a palindrome (225080522).

The spelling of 202040320 in words is "two hundred two million, forty thousand, three hundred twenty".