22051520120120 has 128 divisors (see below), whose sum is σ = 52640140550400. Its totient is φ = 8285072818176.

The previous prime is 22051520120117. The next prime is 22051520120159. The reversal of 22051520120120 is 2102102515022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695023697 + ... + 695055423.

It is an arithmetic number, because the mean of its divisors is an integer number (411251098050).

Almost surely, 2^{22051520120120} is an apocalyptic number.

22051520120120 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 22051520120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26320070275200).

22051520120120 is an abundant number, since it is smaller than the sum of its proper divisors (30588620430280).

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

22051520120120 is a wasteful number, since it uses less digits than its factorization.

22051520120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33777 (or 33773 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 22051520120120 its reverse (2102102515022), we get a palindrome (24153622635142).

The spelling of 22051520120120 in words is "twenty-two trillion, fifty-one billion, five hundred twenty million, one hundred twenty thousand, one hundred twenty".