2021402104 has 48 divisors (see below), whose sum is σ = 3994341120. Its totient is φ = 958890240.

The previous prime is 2021402083. The next prime is 2021402107. The reversal of 2021402104 is 4012041202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021402107) 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 11 ways as a sum of consecutive naturals, for example, 535584 + ... + 539344.

It is an arithmetic number, because the mean of its divisors is an integer number (83215440).

Almost surely, 2^2021402104 is an apocalyptic number.

It is an amenable number.

2021402104 is a deficient number, since it is larger than the sum of its proper divisors (1972939016).

2021402104 is a wasteful number, since it uses less digits than its factorization.

2021402104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2021402104 is about 44960.0056049819. The cubic root of 2021402104 is about 1264.3992739997.

Adding to 2021402104 its reverse (4012041202), we get a palindrome (6033443306).

The spelling of 2021402104 in words is "two billion, twenty-one million, four hundred two thousand, one hundred four".