420343002 has 12 divisors (see below), whose sum is σ = 910743210. Its totient is φ = 140114328.

The previous prime is 420342971. The next prime is 420343019. The reversal of 420343002 is 200343024.

It can be written as a sum of positive squares in only one way, i.e., 418243401 + 2099601 = 20451^2 + 1449^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 23352389 = 420343002 / (4 + 2 + 0 + 3 + 4 + 3 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11676177 + ... + 11676212.

Almost surely, 2^420343002 is an apocalyptic number.

420343002 is an abundant number, since it is smaller than the sum of its proper divisors (490400208).

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

420343002 is a wasteful number, since it uses less digits than its factorization.

420343002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23352397 (or 23352394 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 420343002 is about 20502.2682159804. The cubic root of 420343002 is about 749.0910481872.

Adding to 420343002 its reverse (200343024), we get a palindrome (620686026).

The spelling of 420343002 in words is "four hundred twenty million, three hundred forty-three thousand, two".