201404420 has 96 divisors (see below), whose sum is σ = 505612800. Its totient is φ = 65931264.

The previous prime is 201404407. The next prime is 201404429. The reversal of 201404420 is 24404102.

It is not an unprimeable number, because it can be changed into a prime (201404429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458561 + ... + 458999.

It is an arithmetic number, because the mean of its divisors is an integer number (5266800).

Almost surely, 2^201404420 is an apocalyptic number.

201404420 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 201404420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252806400).

201404420 is an abundant number, since it is smaller than the sum of its proper divisors (304208380).

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

201404420 is a wasteful number, since it uses less digits than its factorization.

201404420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 201404420 is about 14191.7025053374. The cubic root of 201404420 is about 586.1692056815.

Adding to 201404420 its reverse (24404102), we get a palindrome (225808522).

The spelling of 201404420 in words is "two hundred one million, four hundred four thousand, four hundred twenty".