420402042202 has 8 divisors (see below), whose sum is σ = 638585380800. Its totient is φ = 207540248604.

The previous prime is 420402042167. The next prime is 420402042223. The reversal of 420402042202 is 202240204024.

It is a happy number.

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

It is a super-2 number, since 2×420402042202² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330386052 + ... + 1330386367.

It is an arithmetic number, because the mean of its divisors is an integer number (79823172600).

Almost surely, 2^420402042202 is an apocalyptic number.

420402042202 is a deficient number, since it is larger than the sum of its proper divisors (218183338598).

420402042202 is a wasteful number, since it uses less digits than its factorization.

420402042202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660772500.

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

Adding to 420402042202 its reverse (202240204024), we get a palindrome (622642246226).

The spelling of 420402042202 in words is "four hundred twenty billion, four hundred two million, forty-two thousand, two hundred two".