420030234132402 has 16 divisors (see below), whose sum is σ = 840065077588320. Its totient is φ = 140009309823552.

The previous prime is 420030234132359. The next prime is 420030234132521. The reversal of 420030234132402 is 204231432030024.

It is a self number, because there is not a number n which added to its sum of digits gives 420030234132402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190869943 + ... + 193058010.

It is an arithmetic number, because the mean of its divisors is an integer number (52504067349270).

Almost surely, 2^{420030234132402} is an apocalyptic number.

420030234132402 is an abundant number, since it is smaller than the sum of its proper divisors (420034843455918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420030234132402 is a wasteful number, since it uses less digits than its factorization.

420030234132402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384110297.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 420030234132402 its reverse (204231432030024), we get a palindrome (624261666162426).

The spelling of 420030234132402 in words is "four hundred twenty trillion, thirty billion, two hundred thirty-four million, one hundred thirty-two thousand, four hundred two".