2021061140 has 24 divisors (see below), whose sum is σ = 4850547072. Its totient is φ = 692935200.

The previous prime is 2021061113. The next prime is 2021061143. The reversal of 2021061140 is 411601202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021061143) 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, 7217936 + ... + 7218215.

It is an arithmetic number, because the mean of its divisors is an integer number (202106128).

Almost surely, 2^2021061140 is an apocalyptic number.

2021061140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021061140 is an abundant number, since it is smaller than the sum of its proper divisors (2829485932).

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

2021061140 is a wasteful number, since it uses less digits than its factorization.

2021061140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14436167 (or 14436165 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2021061140 is about 44956.2135861107. The cubic root of 2021061140 is about 1264.3281783190.

Adding to 2021061140 its reverse (411601202), we get a palindrome (2432662342).

The spelling of 2021061140 in words is "two billion, twenty-one million, sixty-one thousand, one hundred forty".