21330132300030 has 32 divisors (see below), whose sum is σ = 51195279056544. Its totient is φ = 5687706220416.

The previous prime is 21330132299981. The next prime is 21330132300091. The reversal of 21330132300030 is 3000323103312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20038789 + ... + 21076368.

It is an arithmetic number, because the mean of its divisors is an integer number (1599852470517).

Almost surely, 2^{21330132300030} is an apocalyptic number.

21330132300030 is an abundant number, since it is smaller than the sum of its proper divisors (29865146756514).

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

21330132300030 is a wasteful number, since it uses less digits than its factorization.

21330132300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41132460.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 21330132300030 its reverse (3000323103312), we get a palindrome (24330455403342).

The spelling of 21330132300030 in words is "twenty-one trillion, three hundred thirty billion, one hundred thirty-two million, three hundred thousand, thirty".