20122222022120 has 16 divisors (see below), whose sum is σ = 45274999549860. Its totient is φ = 8048888808832.

The previous prime is 20122222022101. The next prime is 20122222022137. The reversal of 20122222022120 is 2122022222102.

It can be written as a sum of positive squares in 2 ways, for example, as 19833893832676 + 288328189444 = 4453526^2 + 536962^2 .

It is a super-2 number, since 2×20122222022120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20122222022092 and 20122222022101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251527775237 + ... + 251527775316.

Almost surely, 2^{20122222022120} is an apocalyptic number.

20122222022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122222022120 is an abundant number, since it is smaller than the sum of its proper divisors (25152777527740).

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

20122222022120 is a wasteful number, since it uses less digits than its factorization.

20122222022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503055550564 (or 503055550560 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20122222022120 its reverse (2122022222102), we get a palindrome (22244244244222).

The spelling of 20122222022120 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty".