420434533303 has 4 divisors (see below), whose sum is σ = 422612950768. Its totient is φ = 418256115840.

The previous prime is 420434533271. The next prime is 420434533381. The reversal of 420434533303 is 303335434024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420434533303 - 2⁵ = 420434533271 is a prime.

It is a super-2 number, since 2×420434533303² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420434593303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089208443 + ... + 1089208828.

It is an arithmetic number, because the mean of its divisors is an integer number (105653237692).

Almost surely, 2^420434533303 is an apocalyptic number.

420434533303 is a deficient number, since it is larger than the sum of its proper divisors (2178417465).

420434533303 is a wasteful number, since it uses less digits than its factorization.

420434533303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178417464.

The product of its (nonzero) digits is 155520, while the sum is 34.

Adding to 420434533303 its reverse (303335434024), we get a palindrome (723769967327).

The spelling of 420434533303 in words is "four hundred twenty billion, four hundred thirty-four million, five hundred thirty-three thousand, three hundred three".