420501633380 has 24 divisors (see below), whose sum is σ = 884049018048. Its totient is φ = 168011017568.

The previous prime is 420501633329. The next prime is 420501633397. The reversal of 420501633380 is 83336105024.

It is a self number, because there is not a number n which added to its sum of digits gives 420501633380.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11834054 + ... + 11869533.

It is an arithmetic number, because the mean of its divisors is an integer number (36835375752).

Almost surely, 2^420501633380 is an apocalyptic number.

It is an amenable number.

420501633380 is an abundant number, since it is smaller than the sum of its proper divisors (463547384668).

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

420501633380 is a wasteful number, since it uses less digits than its factorization.

420501633380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23704483 (or 23704481 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 420501633380 in words is "four hundred twenty billion, five hundred one million, six hundred thirty-three thousand, three hundred eighty".