420020201100 has 72 divisors (see below), whose sum is σ = 1215337994640. Its totient is φ = 111998055680.

The previous prime is 420020201093. The next prime is 420020201129. The reversal of 420020201100 is 1102020024.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5775766 + ... + 5848034.

It is an arithmetic number, because the mean of its divisors is an integer number (16879694370).

Almost surely, 2^420020201100 is an apocalyptic number.

It is an amenable number.

420020201100 is an abundant number, since it is smaller than the sum of its proper divisors (795317793540).

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

420020201100 is a wasteful number, since it uses less digits than its factorization.

420020201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91659 (or 91652 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 420020201100 its reverse (1102020024), we get a palindrome (421122221124).

The spelling of 420020201100 in words is "four hundred twenty billion, twenty million, two hundred one thousand, one hundred".