420403202 has 16 divisors (see below), whose sum is σ = 645624000. Its totient is φ = 205243440.

The previous prime is 420403171. The next prime is 420403229. The reversal of 420403202 is 202304024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5627 + ... + 29537.

It is an arithmetic number, because the mean of its divisors is an integer number (40351500).

Almost surely, 2^420403202 is an apocalyptic number.

420403202 is a deficient number, since it is larger than the sum of its proper divisors (225220798).

420403202 is a wasteful number, since it uses less digits than its factorization.

420403202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24121.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 420403202 is about 20503.7362936612. The cubic root of 420403202 is about 749.1268071810.

Adding to 420403202 its reverse (202304024), we get a palindrome (622707226).

The spelling of 420403202 in words is "four hundred twenty million, four hundred three thousand, two hundred two".