201044421420 has 48 divisors (see below), whose sum is σ = 565841119200. Its totient is φ = 53334061056.

The previous prime is 201044421419. The next prime is 201044421443. The reversal of 201044421420 is 24124440102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8669095 + ... + 8692254.

It is an arithmetic number, because the mean of its divisors is an integer number (11788356650).

Almost surely, 2^201044421420 is an apocalyptic number.

201044421420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201044421420 is an abundant number, since it is smaller than the sum of its proper divisors (364796697780).

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

201044421420 is a wasteful number, since it uses less digits than its factorization.

201044421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17361554 (or 17361552 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 201044421420 its reverse (24124440102), we get a palindrome (225168861522).

The spelling of 201044421420 in words is "two hundred one billion, forty-four million, four hundred twenty-one thousand, four hundred twenty".