420503343330 has 32 divisors (see below), whose sum is σ = 1153380599424. Its totient is φ = 96115049856.

The previous prime is 420503343329. The next prime is 420503343367. The reversal of 420503343330 is 33343305024.

It is a super-3 number, since 3×420503343330³ (a number of 36 digits) contains 333 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001198227 + ... + 1001198646.

It is an arithmetic number, because the mean of its divisors is an integer number (36043143732).

Almost surely, 2^420503343330 is an apocalyptic number.

420503343330 is an abundant number, since it is smaller than the sum of its proper divisors (732877256094).

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

420503343330 is a wasteful number, since it uses less digits than its factorization.

420503343330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002396890.

The product of its (nonzero) digits is 38880, while the sum is 30.

Adding to 420503343330 its reverse (33343305024), we get a palindrome (453846648354).

The spelling of 420503343330 in words is "four hundred twenty billion, five hundred three million, three hundred forty-three thousand, three hundred thirty".