21330201030 has 16 divisors (see below), whose sum is σ = 51192482544. Its totient is φ = 5688053600.

The previous prime is 21330201007. The next prime is 21330201043. The reversal of 21330201030 is 3010203312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 355503321 + ... + 355503380.

It is an arithmetic number, because the mean of its divisors is an integer number (3199530159).

Almost surely, 2^21330201030 is an apocalyptic number.

21330201030 is an abundant number, since it is smaller than the sum of its proper divisors (29862281514).

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

21330201030 is a wasteful number, since it uses less digits than its factorization.

21330201030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711006711.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 21330201030 its reverse (3010203312), we get a palindrome (24340404342).

The spelling of 21330201030 in words is "twenty-one billion, three hundred thirty million, two hundred one thousand, thirty".