420510152 has 16 divisors (see below), whose sum is σ = 788685660. Its totient is φ = 210193984.

The previous prime is 420510151. The next prime is 420510161. The reversal of 420510152 is 251015024.

It can be written as a sum of positive squares in 2 ways, for example, as 415099876 + 5410276 = 20374^2 + 2326^2 .

It is not an unprimeable number, because it can be changed into a prime (420510151) 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, 36878 + ... + 46914.

Almost surely, 2^420510152 is an apocalyptic number.

It is an amenable number.

420510152 is a deficient number, since it is larger than the sum of its proper divisors (368175508).

420510152 is a wasteful number, since it uses less digits than its factorization.

420510152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15280 (or 15276 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 420510152 is about 20506.3441890552. The cubic root of 420510152 is about 749.1903274068.

Adding to 420510152 its reverse (251015024), we get a palindrome (671525176).

The spelling of 420510152 in words is "four hundred twenty million, five hundred ten thousand, one hundred fifty-two".