420223202042430 has 64 divisors (see below), whose sum is σ = 1008770338029888. Its totient is φ = 112033450045440.

The previous prime is 420223202042401. The next prime is 420223202042461. The reversal of 420223202042430 is 34240202322024.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4312542510 + ... + 4312639950.

It is an arithmetic number, because the mean of its divisors is an integer number (15762036531717).

Almost surely, 2^{420223202042430} is an apocalyptic number.

420223202042430 is an abundant number, since it is smaller than the sum of its proper divisors (588547135987458).

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

420223202042430 is a wasteful number, since it uses less digits than its factorization.

420223202042430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129421.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 420223202042430 its reverse (34240202322024), we get a palindrome (454463404364454).

The spelling of 420223202042430 in words is "four hundred twenty trillion, two hundred twenty-three billion, two hundred two million, forty-two thousand, four hundred thirty".