203421032424 has 64 divisors (see below), whose sum is σ = 565098768000. Its totient is φ = 67802169600.

The previous prime is 203421032407. The next prime is 203421032429. The reversal of 203421032424 is 424230124302.

203421032424 is a `hidden beast` number, since 20 + 3 + 4 + 210 + 3 + 2 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (203421032429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4272349 + ... + 4319699.

It is an arithmetic number, because the mean of its divisors is an integer number (8829668250).

Almost surely, 2^203421032424 is an apocalyptic number.

203421032424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203421032424 is an abundant number, since it is smaller than the sum of its proper divisors (361677735576).

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

203421032424 is a wasteful number, since it uses less digits than its factorization.

203421032424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67255 (or 67245 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 203421032424 its reverse (424230124302), we get a palindrome (627651156726).

The spelling of 203421032424 in words is "two hundred three billion, four hundred twenty-one million, thirty-two thousand, four hundred twenty-four".