20011222200013 has 32 divisors (see below), whose sum is σ = 22981224748032. Its totient is φ = 17390917661040.

The previous prime is 20011222199887. The next prime is 20011222200037. The reversal of 20011222200013 is 31000222211002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20011222200013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20011222200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011222201013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52556506 + ... + 52935892.

It is an arithmetic number, because the mean of its divisors is an integer number (718163273376).

Almost surely, 2^{20011222200013} is an apocalyptic number.

20011222200013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20011222200013 is a deficient number, since it is larger than the sum of its proper divisors (2970002548019).

20011222200013 is a wasteful number, since it uses less digits than its factorization.

20011222200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381166 (or 381144 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20011222200013 its reverse (31000222211002), we get a palindrome (51011444411015).

The spelling of 20011222200013 in words is "twenty trillion, eleven billion, two hundred twenty-two million, two hundred thousand, thirteen".