20221122020 has 48 divisors (see below), whose sum is σ = 48762907200. Its totient is φ = 6966126720.

The previous prime is 20221122013. The next prime is 20221122023. The reversal of 20221122020 is 2022112202.

It is a junction number, because it is equal to n+sod(n) for n = 20221121986 and 20221122004.

It is not an unprimeable number, because it can be changed into a prime (20221122023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414615 + ... + 2422974.

It is an arithmetic number, because the mean of its divisors is an integer number (1015893900).

Almost surely, 2^20221122020 is an apocalyptic number.

20221122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221122020 is an abundant number, since it is smaller than the sum of its proper divisors (28541785180).

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

20221122020 is a wasteful number, since it uses less digits than its factorization.

20221122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837628 (or 4837626 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20221122020 its reverse (2022112202), we get a palindrome (22243234222).

It can be divided in two parts, 20221 and 122020, that added together give a palindrome (142241).

The spelling of 20221122020 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty".