201011140 has 24 divisors (see below), whose sum is σ = 460498752. Its totient is φ = 73094880.

The previous prime is 201011137. The next prime is 201011159. The reversal of 201011140 is 41110102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456624 + ... + 457063.

It is an arithmetic number, because the mean of its divisors is an integer number (19187448).

Almost surely, 2^201011140 is an apocalyptic number.

201011140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201011140 is an abundant number, since it is smaller than the sum of its proper divisors (259487612).

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

201011140 is a wasteful number, since it uses less digits than its factorization.

201011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913707 (or 913705 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 201011140 is about 14177.8397508224. The cubic root of 201011140 is about 585.7874218750.

Adding to 201011140 its reverse (41110102), we get a palindrome (242121242).

The spelling of 201011140 in words is "two hundred one million, eleven thousand, one hundred forty".