20011020201110 has 32 divisors (see below), whose sum is σ = 37586212678080. Its totient is φ = 7656329945088.

The previous prime is 20011020201043. The next prime is 20011020201169. The reversal of 20011020201110 is 1110202011002.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20011020201091 and 20011020201100.

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 15 ways as a sum of consecutive naturals, for example, 38336834 + ... + 38855306.

It is an arithmetic number, because the mean of its divisors is an integer number (1174569146190).

Almost surely, 2^{20011020201110} is an apocalyptic number.

20011020201110 is a deficient number, since it is larger than the sum of its proper divisors (17575192476970).

20011020201110 is a wasteful number, since it uses less digits than its factorization.

20011020201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686312.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20011020201110 its reverse (1110202011002), we get a palindrome (21121222212112).

The spelling of 20011020201110 in words is "twenty trillion, eleven billion, twenty million, two hundred one thousand, one hundred ten".