420333016332 has 12 divisors (see below), whose sum is σ = 980777038136. Its totient is φ = 140111005440.

The previous prime is 420333016297. The next prime is 420333016393. The reversal of 420333016332 is 233610333024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 420333016332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17513875669 + ... + 17513875692.

Almost surely, 2^420333016332 is an apocalyptic number.

It is an amenable number.

420333016332 is an abundant number, since it is smaller than the sum of its proper divisors (560444021804).

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

420333016332 is a wasteful number, since it uses less digits than its factorization.

420333016332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35027751368 (or 35027751366 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 420333016332 its reverse (233610333024), we get a palindrome (653943349356).

The spelling of 420333016332 in words is "four hundred twenty billion, three hundred thirty-three million, sixteen thousand, three hundred thirty-two".