20022022120 has 32 divisors (see below), whose sum is σ = 45053577000. Its totient is φ = 8008092928.

The previous prime is 20022022109. The next prime is 20022022127. The reversal of 20022022120 is 2122022002.

It can be written as a sum of positive squares in 4 ways, for example, as 17635308804 + 2386713316 = 132798^2 + 48854^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20022022120.

It is not an unprimeable number, because it can be changed into a prime (20022022127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882762 + ... + 905158.

Almost surely, 2^20022022120 is an apocalyptic number.

20022022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022022120 is an abundant number, since it is smaller than the sum of its proper divisors (25031554880).

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

20022022120 is a wasteful number, since it uses less digits than its factorization.

20022022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44757 (or 44753 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20022022120 its reverse (2122022002), we get a palindrome (22144044122).

The spelling of 20022022120 in words is "twenty billion, twenty-two million, twenty-two thousand, one hundred twenty".