21432304202 has 8 divisors (see below), whose sum is σ = 32154285312. Its totient is φ = 10714209100.

The previous prime is 21432304177. The next prime is 21432304219. The reversal of 21432304202 is 20240323412.

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

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, 957674 + ... + 979797.

It is an arithmetic number, because the mean of its divisors is an integer number (4019285664).

Almost surely, 2^21432304202 is an apocalyptic number.

21432304202 is a deficient number, since it is larger than the sum of its proper divisors (10721981110).

21432304202 is a wasteful number, since it uses less digits than its factorization.

21432304202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943004.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 21432304202 its reverse (20240323412), we get a palindrome (41672627614).

The spelling of 21432304202 in words is "twenty-one billion, four hundred thirty-two million, three hundred four thousand, two hundred two".