22120200101020 has 192 divisors, whose sum is σ = 54756734054400. Its totient is φ = 7349514117120.

The previous prime is 22120200100963. The next prime is 22120200101033. The reversal of 22120200101020 is 2010100202122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1283735805 + ... + 1283753035.

It is an arithmetic number, because the mean of its divisors is an integer number (285191323200).

Almost surely, 2^{22120200101020} is an apocalyptic number.

22120200101020 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 22120200101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27378367027200).

22120200101020 is an abundant number, since it is smaller than the sum of its proper divisors (32636533953380).

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

22120200101020 is a wasteful number, since it uses less digits than its factorization.

22120200101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19508 (or 19506 counting only the distinct ones).

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

Adding to 22120200101020 its reverse (2010100202122), we get a palindrome (24130300303142).

The spelling of 22120200101020 in words is "twenty-two trillion, one hundred twenty billion, two hundred million, one hundred one thousand, twenty".