20303021001210 has 32 divisors (see below), whose sum is σ = 50044203119232. Its totient is φ = 5267810854080.

The previous prime is 20303021001089. The next prime is 20303021001223. The reversal of 20303021001210 is 1210012030302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20303021001210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9145503846 + ... + 9145506065.

It is an arithmetic number, because the mean of its divisors is an integer number (1563881347476).

Almost surely, 2^{20303021001210} is an apocalyptic number.

20303021001210 is an abundant number, since it is smaller than the sum of its proper divisors (29741182118022).

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

20303021001210 is a wasteful number, since it uses less digits than its factorization.

20303021001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18291009958.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20303021001210 its reverse (1210012030302), we get a palindrome (21513033031512).

The spelling of 20303021001210 in words is "twenty trillion, three hundred three billion, twenty-one million, one thousand, two hundred ten".