203025420 has 96 divisors (see below), whose sum is σ = 680245440. Its totient is φ = 49973760.

The previous prime is 203025397. The next prime is 203025421. The reversal of 203025420 is 24520302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 203025393 and 203025402.

It is not an unprimeable number, because it can be changed into a prime (203025421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7441 + ... + 21480.

It is an arithmetic number, because the mean of its divisors is an integer number (7085890).

Almost surely, 2^203025420 is an apocalyptic number.

203025420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203025420 is an abundant number, since it is smaller than the sum of its proper divisors (477220020).

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

203025420 is a wasteful number, since it uses less digits than its factorization.

203025420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28952 (or 28944 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 203025420 is about 14248.6988879687. The cubic root of 203025420 is about 587.7375963687.

Adding to 203025420 its reverse (24520302), we get a palindrome (227545722).

The spelling of 203025420 in words is "two hundred three million, twenty-five thousand, four hundred twenty".