21341200330 has 64 divisors (see below), whose sum is σ = 41156242560. Its totient is φ = 7944044544.

The previous prime is 21341200301. The next prime is 21341200339. The reversal of 21341200330 is 3300214312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 21341200298 and 21341200307.

It is not an unprimeable number, because it can be changed into a prime (21341200339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3561597 + ... + 3567583.

It is an arithmetic number, because the mean of its divisors is an integer number (643066290).

Almost surely, 2^21341200330 is an apocalyptic number.

21341200330 is a deficient number, since it is larger than the sum of its proper divisors (19815042230).

21341200330 is a wasteful number, since it uses less digits than its factorization.

21341200330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21341200330 its reverse (3300214312), we get a palindrome (24641414642).

The spelling of 21341200330 in words is "twenty-one billion, three hundred forty-one million, two hundred thousand, three hundred thirty".