20204122111030 has 64 divisors (see below), whose sum is σ = 42727669604928. Its totient is φ = 6781436674560.

The previous prime is 20204122111027. The next prime is 20204122111057. The reversal of 20204122111030 is 3011122140202.

It is a super-2 number, since 2×20204122111030² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20204122110989 and 20204122111007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26759052 + ... + 27503728.

It is an arithmetic number, because the mean of its divisors is an integer number (667619837577).

Almost surely, 2^{20204122111030} is an apocalyptic number.

20204122111030 is an abundant number, since it is smaller than the sum of its proper divisors (22523547493898).

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

20204122111030 is a wasteful number, since it uses less digits than its factorization.

20204122111030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763681.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20204122111030 its reverse (3011122140202), we get a palindrome (23215244251232).

The spelling of 20204122111030 in words is "twenty trillion, two hundred four billion, one hundred twenty-two million, one hundred eleven thousand, thirty".