20110022001020 has 192 divisors, whose sum is σ = 51935675904000. Its totient is φ = 6387748439040.

The previous prime is 20110022001011. The next prime is 20110022001031. The reversal of 20110022001020 is 2010022001102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20110022000992 and 20110022001010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27712781 + ... + 28429179.

It is an arithmetic number, because the mean of its divisors is an integer number (270498312000).

Almost surely, 2^{20110022001020} is an apocalyptic number.

20110022001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110022001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25967837952000).

20110022001020 is an abundant number, since it is smaller than the sum of its proper divisors (31825653902980).

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

20110022001020 is a wasteful number, since it uses less digits than its factorization.

20110022001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716668 (or 716666 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20110022001020 its reverse (2010022001102), we get a palindrome (22120044002122).

The spelling of 20110022001020 in words is "twenty trillion, one hundred ten billion, twenty-two million, one thousand, twenty".