202302040 has 32 divisors (see below), whose sum is σ = 481956480. Its totient is φ = 76160512.

The previous prime is 202302029. The next prime is 202302049. The reversal of 202302040 is 40203202.

It is a super-2 number, since 2×202302040² = 81852230776323200, 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 202302040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202302049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148072 + ... + 149431.

It is an arithmetic number, because the mean of its divisors is an integer number (15061140).

Almost surely, 2^202302040 is an apocalyptic number.

202302040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202302040 is an abundant number, since it is smaller than the sum of its proper divisors (279654440).

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

202302040 is a wasteful number, since it uses less digits than its factorization.

202302040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297531 (or 297527 counting only the distinct ones).

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

The square root of 202302040 is about 14223.2921646151. The cubic root of 202302040 is about 587.0387289228.

Adding to 202302040 its reverse (40203202), we get a palindrome (242505242).

The spelling of 202302040 in words is "two hundred two million, three hundred two thousand, forty".