420202304020 has 24 divisors (see below), whose sum is σ = 883125784800. Its totient is φ = 167947408032.

The previous prime is 420202303973. The next prime is 420202304057. The reversal of 420202304020 is 20403202024.

It is a congruent number.

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, 8318790 + ... + 8369149.

It is an arithmetic number, because the mean of its divisors is an integer number (36796907700).

Almost surely, 2^420202304020 is an apocalyptic number.

It is an amenable number.

420202304020 is an abundant number, since it is smaller than the sum of its proper divisors (462923480780).

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

420202304020 is a wasteful number, since it uses less digits than its factorization.

420202304020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16689207 (or 16689205 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 420202304020 its reverse (20403202024), we get a palindrome (440605506044).

The spelling of 420202304020 in words is "four hundred twenty billion, two hundred two million, three hundred four thousand, twenty".