201333420100 has 36 divisors (see below), whose sum is σ = 436983945300. Its totient is φ = 80516700160.

The previous prime is 201333420077. The next prime is 201333420109. The reversal of 201333420100 is 1024333102.

It can be written as a sum of positive squares in 6 ways, for example, as 15387906304 + 185945513796 = 124048^2 + 431214^2 .

It is not an unprimeable number, because it can be changed into a prime (201333420109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282996 + ... + 694804.

It is an arithmetic number, because the mean of its divisors is an integer number (12138442925).

Almost surely, 2^201333420100 is an apocalyptic number.

201333420100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201333420100 is an abundant number, since it is smaller than the sum of its proper divisors (235650525200).

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

201333420100 is a wasteful number, since it uses less digits than its factorization.

201333420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416712 (or 416705 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 201333420100 its reverse (1024333102), we get a palindrome (202357753202).

The spelling of 201333420100 in words is "two hundred one billion, three hundred thirty-three million, four hundred twenty thousand, one hundred".