420023002 has 12 divisors (see below), whose sum is σ = 732897450. Its totient is φ = 180009816.

The previous prime is 420022969. The next prime is 420023017. The reversal of 420023002 is 200320024.

It can be written as a sum of positive squares in only one way, i.e., 397165041 + 22857961 = 19929^2 + 4781^2 .

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, 2142877 + ... + 2143072.

Almost surely, 2^420023002 is an apocalyptic number.

420023002 is a deficient number, since it is larger than the sum of its proper divisors (312874448).

420023002 is a wasteful number, since it uses less digits than its factorization.

420023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285965 (or 4285958 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 420023002 is about 20494.4627155727. The cubic root of 420023002 is about 748.9009098249.

Adding to 420023002 its reverse (200320024), we get a palindrome (620343026).

The spelling of 420023002 in words is "four hundred twenty million, twenty-three thousand, two".