201241420 has 48 divisors (see below), whose sum is σ = 429004800. Its totient is φ = 79289280.

The previous prime is 201241387. The next prime is 201241423. The reversal of 201241420 is 24142102.

It is a junction number, because it is equal to n+sod(n) for n = 201241394 and 201241403.

It is not an unprimeable number, because it can be changed into a prime (201241423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530791 + ... + 531169.

It is an arithmetic number, because the mean of its divisors is an integer number (8937600).

Almost surely, 2^201241420 is an apocalyptic number.

201241420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201241420 is an abundant number, since it is smaller than the sum of its proper divisors (227763380).

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

201241420 is a wasteful number, since it uses less digits than its factorization.

201241420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 201241420 is about 14185.9585506232. The cubic root of 201241420 is about 586.0110307886.

Adding to 201241420 its reverse (24142102), we get a palindrome (225383522).

The spelling of 201241420 in words is "two hundred one million, two hundred forty-one thousand, four hundred twenty".