20012202121330 has 8 divisors (see below), whose sum is σ = 36021963818412. Its totient is φ = 8004880848528.

The previous prime is 20012202121313. The next prime is 20012202121349. The reversal of 20012202121330 is 3312120221002.

It can be written as a sum of positive squares in 2 ways, for example, as 19716201925849 + 296000195481 = 4440293^2 + 544059^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20012202121298 and 20012202121307.

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, 1000610106057 + ... + 1000610106076.

Almost surely, 2^{20012202121330} is an apocalyptic number.

20012202121330 is a deficient number, since it is larger than the sum of its proper divisors (16009761697082).

20012202121330 is a wasteful number, since it uses less digits than its factorization.

20012202121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001220212140.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20012202121330 its reverse (3312120221002), we get a palindrome (23324322342332).

The spelling of 20012202121330 in words is "twenty trillion, twelve billion, two hundred two million, one hundred twenty-one thousand, three hundred thirty".