420021302004200 has 96 divisors (see below), whose sum is σ = 1085593519234560. Its totient is φ = 150082053292800.

The previous prime is 420021302004167. The next prime is 420021302004263. The reversal of 420021302004200 is 2400203120024.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2605510604 + ... + 2605671803.

It is an arithmetic number, because the mean of its divisors is an integer number (11308265825360).

Almost surely, 2^{420021302004200} is an apocalyptic number.

420021302004200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420021302004200 is an abundant number, since it is smaller than the sum of its proper divisors (665572217230360).

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

420021302004200 is a wasteful number, since it uses less digits than its factorization.

420021302004200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211182467 (or 5211182458 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 420021302004200 its reverse (2400203120024), we get a palindrome (422421505124224).

The spelling of 420021302004200 in words is "four hundred twenty trillion, twenty-one billion, three hundred two million, four thousand, two hundred".