21032032202 has 4 divisors (see below), whose sum is σ = 31548048306. Its totient is φ = 10516016100.

The previous prime is 21032032187. The next prime is 21032032223. The reversal of 21032032202 is 20223023012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20758758241 + 273273961 = 144079^2 + 16531^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5258008049 + ... + 5258008052.

Almost surely, 2^21032032202 is an apocalyptic number.

21032032202 is a deficient number, since it is larger than the sum of its proper divisors (10516016104).

21032032202 is a wasteful number, since it uses less digits than its factorization.

21032032202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516016103.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21032032202 its reverse (20223023012), we get a palindrome (41255055214).

The spelling of 21032032202 in words is "twenty-one billion, thirty-two million, thirty-two thousand, two hundred two".