203420412 has 36 divisors (see below), whose sum is σ = 553756840. Its totient is φ = 62590752.

The previous prime is 203420381. The next prime is 203420423. The reversal of 203420412 is 214024302.

203420412 is a `hidden beast` number, since 203 + 420 + 41 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216862 + ... + 217797.

Almost surely, 2^203420412 is an apocalyptic number.

It is an amenable number.

203420412 is an abundant number, since it is smaller than the sum of its proper divisors (350336428).

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

203420412 is a wasteful number, since it uses less digits than its factorization.

203420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434682 (or 434677 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 203420412 is about 14262.5527869312. The cubic root of 203420412 is about 588.1185031184.

Adding to 203420412 its reverse (214024302), we get a palindrome (417444714).

The spelling of 203420412 in words is "two hundred three million, four hundred twenty thousand, four hundred twelve".