420024220402 has 16 divisors (see below), whose sum is σ = 635085775872. Its totient is φ = 208329423120.

The previous prime is 420024220379. The next prime is 420024220433. The reversal of 420024220402 is 204022420024.

It is a happy number.

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, 1770828 + ... + 1993960.

It is an arithmetic number, because the mean of its divisors is an integer number (39692860992).

Almost surely, 2^420024220402 is an apocalyptic number.

420024220402 is a deficient number, since it is larger than the sum of its proper divisors (215061555470).

420024220402 is a wasteful number, since it uses less digits than its factorization.

420024220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230673.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 420024220402 its reverse (204022420024), we get a palindrome (624046640426).

The spelling of 420024220402 in words is "four hundred twenty billion, twenty-four million, two hundred twenty thousand, four hundred two".