203464420 has 12 divisors (see below), whose sum is σ = 427275324. Its totient is φ = 81385760.

The previous prime is 203464409. The next prime is 203464423. The reversal of 203464420 is 24464302.

It can be written as a sum of positive squares in 2 ways, for example, as 42276004 + 161188416 = 6502^2 + 12696^2 .

It is not an unprimeable number, because it can be changed into a prime (203464423) 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, 5086591 + ... + 5086630.

It is an arithmetic number, because the mean of its divisors is an integer number (35606277).

Almost surely, 2^203464420 is an apocalyptic number.

203464420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203464420 is an abundant number, since it is smaller than the sum of its proper divisors (223810904).

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

203464420 is a wasteful number, since it uses less digits than its factorization.

203464420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173230 (or 10173228 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 203464420 is about 14264.0954848178. The cubic root of 203464420 is about 588.1609112731.

The spelling of 203464420 in words is "two hundred three million, four hundred sixty-four thousand, four hundred twenty".