2021402132 has 12 divisors (see below), whose sum is σ = 3612719040. Its totient is φ = 989196696.

The previous prime is 2021402129. The next prime is 2021402137. The reversal of 2021402132 is 2312041202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021402132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021402137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5375882 + ... + 5376257.

It is an arithmetic number, because the mean of its divisors is an integer number (301059920).

Almost surely, 2^2021402132 is an apocalyptic number.

It is an amenable number.

2021402132 is a deficient number, since it is larger than the sum of its proper divisors (1591316908).

2021402132 is a wasteful number, since it uses less digits than its factorization.

2021402132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752190 (or 10752188 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2021402132 is about 44960.0059163697. The cubic root of 2021402132 is about 1264.3992798378.

Adding to 2021402132 its reverse (2312041202), we get a palindrome (4333443334).

The spelling of 2021402132 in words is "two billion, twenty-one million, four hundred two thousand, one hundred thirty-two".