203234420 has 24 divisors (see below), whose sum is σ = 427140000. Its totient is φ = 81227552.

The previous prime is 203234411. The next prime is 203234429. The reversal of 203234420 is 24432302.

It is an interprime number because it is at equal distance from previous prime (203234411) and next prime (203234429).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 203234392 and 203234401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203234429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26591 + ... + 33369.

It is an arithmetic number, because the mean of its divisors is an integer number (17797500).

Almost surely, 2^203234420 is an apocalyptic number.

203234420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203234420 is an abundant number, since it is smaller than the sum of its proper divisors (223905580).

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

203234420 is a wasteful number, since it uses less digits than its factorization.

203234420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8287 (or 8285 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 203234420 is about 14256.0310044556. The cubic root of 203234420 is about 587.9392049999.

Adding to 203234420 its reverse (24432302), we get a palindrome (227666722).

The spelling of 203234420 in words is "two hundred three million, two hundred thirty-four thousand, four hundred twenty".