201120420 has 48 divisors (see below), whose sum is σ = 569479680. Its totient is φ = 53028096.

The previous prime is 201120407. The next prime is 201120427. The reversal of 201120420 is 24021102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201120396 and 201120405.

It is not an unprimeable number, because it can be changed into a prime (201120427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13492 + ... + 24171.

It is an arithmetic number, because the mean of its divisors is an integer number (11864160).

Almost surely, 2^201120420 is an apocalyptic number.

201120420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120420 is an abundant number, since it is smaller than the sum of its proper divisors (368359260).

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

201120420 is a wasteful number, since it uses less digits than its factorization.

201120420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37764 (or 37762 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 201120420 is about 14181.6931288193. The cubic root of 201120420 is about 585.8935573730.

Adding to 201120420 its reverse (24021102), we get a palindrome (225141522).

The spelling of 201120420 in words is "two hundred one million, one hundred twenty thousand, four hundred twenty".