20001112221030 has 32 divisors (see below), whose sum is σ = 48678763269888. Its totient is φ = 5258508376800.

The previous prime is 20001112221019. The next prime is 20001112221049. The reversal of 20001112221030 is 3012221110002.

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

It is a congruent number.

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, 4695094636 + ... + 4695098895.

It is an arithmetic number, because the mean of its divisors is an integer number (1521211352184).

Almost surely, 2^{20001112221030} is an apocalyptic number.

20001112221030 is an abundant number, since it is smaller than the sum of its proper divisors (28677651048858).

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

20001112221030 is a wasteful number, since it uses less digits than its factorization.

20001112221030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9390193612.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20001112221030 its reverse (3012221110002), we get a palindrome (23013333331032).

The spelling of 20001112221030 in words is "twenty trillion, one billion, one hundred twelve million, two hundred twenty-one thousand, thirty".