201004101420 has 96 divisors (see below), whose sum is σ = 568199847936. Its totient is φ = 53089344000.

The previous prime is 201004101379. The next prime is 201004101437. The reversal of 201004101420 is 24101400102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201004101420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4557675 + ... + 4601565.

It is an arithmetic number, because the mean of its divisors is an integer number (5918748416).

Almost surely, 2^201004101420 is an apocalyptic number.

201004101420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201004101420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284099923968).

201004101420 is an abundant number, since it is smaller than the sum of its proper divisors (367195746516).

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

201004101420 is a wasteful number, since it uses less digits than its factorization.

201004101420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44631 (or 44629 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201004101420 its reverse (24101400102), we get a palindrome (225105501522).

The spelling of 201004101420 in words is "two hundred one billion, four million, one hundred one thousand, four hundred twenty".