2040021011 has 8 divisors (see below), whose sum is σ = 2394465120. Its totient is φ = 1701330048.

The previous prime is 2040020977. The next prime is 2040021031. The reversal of 2040021011 is 1101200402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2040021011 - 2¹⁸ = 2039758867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040020983 and 2040021001.

It is not an unprimeable number, because it can be changed into a prime (2040021031) 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, 3938006 + ... + 3938523.

It is an arithmetic number, because the mean of its divisors is an integer number (299308140).

Almost surely, 2^2040021011 is an apocalyptic number.

2040021011 is a deficient number, since it is larger than the sum of its proper divisors (354444109).

2040021011 is an equidigital number, since it uses as much as digits as its factorization.

2040021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876573.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2040021011 is about 45166.5917576255. The cubic root of 2040021011 is about 1268.2694952318.

Adding to 2040021011 its reverse (1101200402), we get a palindrome (3141221413).

The spelling of 2040021011 in words is "two billion, forty million, twenty-one thousand, eleven".