21533414202 has 48 divisors (see below), whose sum is σ = 47639674368. Its totient is φ = 7027020000.

The previous prime is 21533414197. The next prime is 21533414213. The reversal of 21533414202 is 20241433512.

21533414202 is a `hidden beast` number, since 2 + 15 + 33 + 414 + 202 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417327 + ... + 466077.

It is an arithmetic number, because the mean of its divisors is an integer number (992493216).

Almost surely, 2^21533414202 is an apocalyptic number.

21533414202 is an abundant number, since it is smaller than the sum of its proper divisors (26106260166).

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

21533414202 is a wasteful number, since it uses less digits than its factorization.

21533414202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49275 (or 49272 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 21533414202 its reverse (20241433512), we get a palindrome (41774847714).

The spelling of 21533414202 in words is "twenty-one billion, five hundred thirty-three million, four hundred fourteen thousand, two hundred two".