420320020343 has 8 divisors (see below), whose sum is σ = 445050662400. Its totient is φ = 395590037760.

The previous prime is 420320020301. The next prime is 420320020363. The reversal of 420320020343 is 343020023024.

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

It is a cyclic number.

It is not a de Polignac number, because 420320020343 - 2³⁰ = 419246278519 is a prime.

It is a super-2 number, since 2×420320020343² (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 (420320020363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853258 + ... + 2067656.

It is an arithmetic number, because the mean of its divisors is an integer number (55631332800).

Almost surely, 2^420320020343 is an apocalyptic number.

420320020343 is a deficient number, since it is larger than the sum of its proper divisors (24730642057).

420320020343 is a wasteful number, since it uses less digits than its factorization.

420320020343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329737.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 420320020343 its reverse (343020023024), we get a palindrome (763340043367).

The spelling of 420320020343 in words is "four hundred twenty billion, three hundred twenty million, twenty thousand, three hundred forty-three".