20200122022120 has 16 divisors (see below), whose sum is σ = 45450274549860. Its totient is φ = 8080048808832.

The previous prime is 20200122022109. The next prime is 20200122022123. The reversal of 20200122022120 is 2122022100202.

It can be written as a sum of positive squares in 2 ways, for example, as 18263810809924 + 1936311212196 = 4273618^2 + 1391514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20200122022094 and 20200122022103.

It is not an unprimeable number, because it can be changed into a prime (20200122022123) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 252501525237 + ... + 252501525316.

Almost surely, 2^{20200122022120} is an apocalyptic number.

20200122022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200122022120 is an abundant number, since it is smaller than the sum of its proper divisors (25250152527740).

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

20200122022120 is a wasteful number, since it uses less digits than its factorization.

20200122022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505003050564 (or 505003050560 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20200122022120 its reverse (2122022100202), we get a palindrome (22322144122322).

The spelling of 20200122022120 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, twenty-two thousand, one hundred twenty".