21340244203030 has 8 divisors (see below), whose sum is σ = 38412439565472. Its totient is φ = 8536097681208.

The previous prime is 21340244202931. The next prime is 21340244203099. The reversal of 21340244203030 is 3030244204312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21340244203030² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21340244203030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067012210142 + ... + 1067012210161.

It is an arithmetic number, because the mean of its divisors is an integer number (4801554945684).

Almost surely, 2^{21340244203030} is an apocalyptic number.

21340244203030 is a deficient number, since it is larger than the sum of its proper divisors (17072195362442).

21340244203030 is a wasteful number, since it uses less digits than its factorization.

21340244203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134024420310.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 21340244203030 its reverse (3030244204312), we get a palindrome (24370488407342).

The spelling of 21340244203030 in words is "twenty-one trillion, three hundred forty billion, two hundred forty-four million, two hundred three thousand, thirty".