22110210020020 has 12 divisors (see below), whose sum is σ = 46431441042084. Its totient is φ = 8844084008000.

The previous prime is 22110210019951. The next prime is 22110210020029. The reversal of 22110210020020 is 2002001201122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3021944163876 + 19088265856144 = 1738374^2 + 4369012^2 .

It is a super-2 number, since 2×22110210020020² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110210020029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552755250481 + ... + 552755250520.

It is an arithmetic number, because the mean of its divisors is an integer number (3869286753507).

Almost surely, 2^{22110210020020} is an apocalyptic number.

22110210020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110210020020 is an abundant number, since it is smaller than the sum of its proper divisors (24321231022064).

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

22110210020020 is a wasteful number, since it uses less digits than its factorization.

22110210020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105510501010 (or 1105510501008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22110210020020 its reverse (2002001201122), we get a palindrome (24112211221142).

The spelling of 22110210020020 in words is "twenty-two trillion, one hundred ten billion, two hundred ten million, twenty thousand, twenty".