200415420 has 72 divisors (see below), whose sum is σ = 639933840. Its totient is φ = 50630400.

The previous prime is 200415407. The next prime is 200415427. The reversal of 200415420 is 24514002.

200415420 is a `hidden beast` number, since 200 + 41 + 5 + 420 = 666.

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 = 200415393 and 200415402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200415427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25881 + ... + 32720.

It is an arithmetic number, because the mean of its divisors is an integer number (8887970).

Almost surely, 2^200415420 is an apocalyptic number.

200415420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200415420 is an abundant number, since it is smaller than the sum of its proper divisors (439518420).

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

200415420 is a wasteful number, since it uses less digits than its factorization.

200415420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58635 (or 58630 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 200415420 is about 14156.8153198380. The cubic root of 200415420 is about 585.2081661103.

Adding to 200415420 its reverse (24514002), we get a palindrome (224929422).

It can be divided in two parts, 2004 and 15420, that added together give a square (17424 = 132²).

The spelling of 200415420 in words is "two hundred million, four hundred fifteen thousand, four hundred twenty".