21036204302 has 8 divisors (see below), whose sum is σ = 31554922296. Its totient is φ = 10517896872.

The previous prime is 21036204289. The next prime is 21036204313. The reversal of 21036204302 is 20340263012.

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

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, 143693 + ... + 250439.

It is an arithmetic number, because the mean of its divisors is an integer number (3944365287).

Almost surely, 2^21036204302 is an apocalyptic number.

21036204302 is a deficient number, since it is larger than the sum of its proper divisors (10518717994).

21036204302 is a wasteful number, since it uses less digits than its factorization.

21036204302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205282.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21036204302 its reverse (20340263012), we get a palindrome (41376467314).

The spelling of 21036204302 in words is "twenty-one billion, thirty-six million, two hundred four thousand, three hundred two".