21236960932 has 48 divisors (see below), whose sum is σ = 42950029248. Its totient is φ = 9080709120.

The previous prime is 21236960923. The next prime is 21236960947. The reversal of 21236960932 is 23906963212.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1749508 + ... + 1761604.

It is an arithmetic number, because the mean of its divisors is an integer number (894792276).

Almost surely, 2^21236960932 is an apocalyptic number.

21236960932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21236960932 is an abundant number, since it is smaller than the sum of its proper divisors (21713068316).

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

21236960932 is a wasteful number, since it uses less digits than its factorization.

21236960932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14476 (or 14474 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 21236960932 in words is "twenty-one billion, two hundred thirty-six million, nine hundred sixty thousand, nine hundred thirty-two".