21343330152 has 48 divisors (see below), whose sum is σ = 57813727140. Its totient is φ = 7113351168.

The previous prime is 21343330109. The next prime is 21343330159. The reversal of 21343330152 is 25103334312.

21343330152 is a `hidden beast` number, since 213 + 433 + 3 + 0 + 15 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19191669156 + 2151660996 = 138534^2 + 46386^2 .

It is not an unprimeable number, because it can be changed into a prime (21343330159) 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, 548328 + ... + 585960.

Almost surely, 2^21343330152 is an apocalyptic number.

It is an amenable number.

21343330152 is an abundant number, since it is smaller than the sum of its proper divisors (36470396988).

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

21343330152 is a wasteful number, since it uses less digits than its factorization.

21343330152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45522 (or 45515 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 21343330152 its reverse (25103334312), we get a palindrome (46446664464).

The spelling of 21343330152 in words is "twenty-one billion, three hundred forty-three million, three hundred thirty thousand, one hundred fifty-two".