21424003302 has 32 divisors (see below), whose sum is σ = 46185285888. Its totient is φ = 6586104096.

The previous prime is 21424003297. The next prime is 21424003319. The reversal of 21424003302 is 20330042412.

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, 34698 + ... + 209885.

It is an arithmetic number, because the mean of its divisors is an integer number (1443290184).

Almost surely, 2^21424003302 is an apocalyptic number.

21424003302 is an abundant number, since it is smaller than the sum of its proper divisors (24761282586).

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

21424003302 is a wasteful number, since it uses less digits than its factorization.

21424003302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245724.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 21424003302 its reverse (20330042412), we get a palindrome (41754045714).

The spelling of 21424003302 in words is "twenty-one billion, four hundred twenty-four million, three thousand, three hundred two".