21483878202 has 24 divisors (see below), whose sum is σ = 46566706836. Its totient is φ = 7158476736.

The previous prime is 21483878201. The next prime is 21483878267. The reversal of 21483878202 is 20287838412.

21483878202 is a `hidden beast` number, since 21 + 48 + 387 + 8 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20535176601 + 948701601 = 143301^2 + 30801^2 .

It is not an unprimeable number, because it can be changed into a prime (21483878201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187363 + ... + 279414.

Almost surely, 2^21483878202 is an apocalyptic number.

21483878202 is an abundant number, since it is smaller than the sum of its proper divisors (25082828634).

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

21483878202 is a wasteful number, since it uses less digits than its factorization.

21483878202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469342 (or 469339 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 21483878202 in words is "twenty-one billion, four hundred eighty-three million, eight hundred seventy-eight thousand, two hundred two".