203422040 has 32 divisors (see below), whose sum is σ = 461205360. Its totient is φ = 80745600.

The previous prime is 203422039. The next prime is 203422057. The reversal of 203422040 is 40224302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14171 + ... + 24650.

Almost surely, 2^203422040 is an apocalyptic number.

203422040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203422040 is an abundant number, since it is smaller than the sum of its proper divisors (257783320).

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

203422040 is a wasteful number, since it uses less digits than its factorization.

203422040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38963 (or 38959 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 203422040 is about 14262.6098593490. The cubic root of 203422040 is about 588.1200720438.

Adding to 203422040 its reverse (40224302), we get a palindrome (243646342).

The spelling of 203422040 in words is "two hundred three million, four hundred twenty-two thousand, forty".