420500050 has 12 divisors (see below), whose sum is σ = 782130186. Its totient is φ = 168200000.

The previous prime is 420500033. The next prime is 420500051. The reversal of 420500050 is 50005024.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 412049401 + 8450649 = 20299^2 + 2907^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420499997 and 420500033.

It is not an unprimeable number, because it can be changed into a prime (420500051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4204951 + ... + 4205050.

Almost surely, 2^420500050 is an apocalyptic number.

420500050 is a deficient number, since it is larger than the sum of its proper divisors (361630136).

420500050 is a wasteful number, since it uses less digits than its factorization.

420500050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410013 (or 8410008 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 420500050 is about 20506.0978735595. The cubic root of 420500050 is about 749.1843280421.

Adding to 420500050 its reverse (50005024), we get a palindrome (470505074).

It can be divided in two parts, 4205000 and 50, that multiplied together give a square (210250000 = 14500²).

The spelling of 420500050 in words is "four hundred twenty million, five hundred thousand, fifty".