420144002 has 8 divisors (see below), whose sum is σ = 639622416. Its totient is φ = 206936532.

The previous prime is 420143989. The next prime is 420144007. The reversal of 420144002 is 200441024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (420144007) 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, 1567568 + ... + 1567835.

It is an arithmetic number, because the mean of its divisors is an integer number (79952802).

Almost surely, 2^420144002 is an apocalyptic number.

420144002 is a deficient number, since it is larger than the sum of its proper divisors (219478414).

420144002 is a wasteful number, since it uses less digits than its factorization.

420144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135472.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 420144002 is about 20497.4145198852. The cubic root of 420144002 is about 748.9728172438.

Adding to 420144002 its reverse (200441024), we get a palindrome (620585026).

The spelling of 420144002 in words is "four hundred twenty million, one hundred forty-four thousand, two".