201120040 has 32 divisors (see below), whose sum is σ = 493659360. Its totient is φ = 73134400.

The previous prime is 201119969. The next prime is 201120041. The reversal of 201120040 is 40021102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201119999 and 201120026.

It is not an unprimeable number, because it can be changed into a prime (201120041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228106 + ... + 228985.

It is an arithmetic number, because the mean of its divisors is an integer number (15426855).

Almost surely, 2^201120040 is an apocalyptic number.

201120040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120040 is an abundant number, since it is smaller than the sum of its proper divisors (292539320).

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

201120040 is a wasteful number, since it uses less digits than its factorization.

201120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457113 (or 457109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 201120040 is about 14181.6797312589. The cubic root of 201120040 is about 585.8931883740.

Adding to 201120040 its reverse (40021102), we get a palindrome (241141142).

The spelling of 201120040 in words is "two hundred one million, one hundred twenty thousand, forty".