420201002 has 16 divisors (see below), whose sum is σ = 718715592. Its totient is φ = 182530560.

The previous prime is 420200959. The next prime is 420201011. The reversal of 420201002 is 200102024.

It can be written as a sum of positive squares in 4 ways, for example, as 379509361 + 40691641 = 19481^2 + 6379^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474899 + ... + 475782.

Almost surely, 2^420201002 is an apocalyptic number.

420201002 is a deficient number, since it is larger than the sum of its proper divisors (298514590).

420201002 is a wasteful number, since it uses less digits than its factorization.

420201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950713.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 420201002 is about 20498.8048919931. The cubic root of 420201002 is about 749.0066862029.

Adding to 420201002 its reverse (200102024), we get a palindrome (620303026).

The spelling of 420201002 in words is "four hundred twenty million, two hundred one thousand, two".