203240402 has 8 divisors (see below), whose sum is σ = 314694912. Its totient is φ = 98342100.

The previous prime is 203240399. The next prime is 203240407. The reversal of 203240402 is 204042302.

203240402 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 sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×203240402² = 82613322010243208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203240407) 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, 1638974 + ... + 1639097.

It is an arithmetic number, because the mean of its divisors is an integer number (39336864).

Almost surely, 2^203240402 is an apocalyptic number.

203240402 is a deficient number, since it is larger than the sum of its proper divisors (111454510).

203240402 is a wasteful number, since it uses less digits than its factorization.

203240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278104.

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

The square root of 203240402 is about 14256.2408088528. The cubic root of 203240402 is about 587.9449734089.

Adding to 203240402 its reverse (204042302), we get a palindrome (407282704).

The spelling of 203240402 in words is "two hundred three million, two hundred forty thousand, four hundred two".