20303020221210 has 96 divisors (see below), whose sum is σ = 55895034463632. Its totient is φ = 5095476357120.

The previous prime is 20303020221203. The next prime is 20303020221257. The reversal of 20303020221210 is 1212202030302.

20303020221210 is a `hidden beast` number, since 203 + 0 + 30 + 2 + 0 + 221 + 210 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 18596336648409 + 1706683572801 = 4312347^2 + 1306401^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45034632 + ... + 45483228.

Almost surely, 2^{20303020221210} is an apocalyptic number.

20303020221210 is an abundant number, since it is smaller than the sum of its proper divisors (35592014242422).

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

20303020221210 is a wasteful number, since it uses less digits than its factorization.

20303020221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478208 (or 478205 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20303020221210 its reverse (1212202030302), we get a palindrome (21515222251512).

The spelling of 20303020221210 in words is "twenty trillion, three hundred three billion, twenty million, two hundred twenty-one thousand, two hundred ten".