21302032413430 has 32 divisors (see below), whose sum is σ = 38924807704416. Its totient is φ = 8391726545664.

The previous prime is 21302032413413. The next prime is 21302032413449. The reversal of 21302032413430 is 3431423020312.

It is a happy number.

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, 669439 + ... + 6561418.

It is an arithmetic number, because the mean of its divisors is an integer number (1216400240763).

Almost surely, 2^{21302032413430} is an apocalyptic number.

21302032413430 is a deficient number, since it is larger than the sum of its proper divisors (17622775290986).

21302032413430 is a wasteful number, since it uses less digits than its factorization.

21302032413430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235328.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21302032413430 its reverse (3431423020312), we get a palindrome (24733455433742).

The spelling of 21302032413430 in words is "twenty-one trillion, three hundred two billion, thirty-two million, four hundred thirteen thousand, four hundred thirty".