20022000220 has 24 divisors (see below), whose sum is σ = 42050863008. Its totient is φ = 8007912000.

The previous prime is 20022000197. The next prime is 20022000221. The reversal of 20022000220 is 2200022002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20022000197 and 20022000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147465 + ... + 248575.

It is an arithmetic number, because the mean of its divisors is an integer number (1752119292).

Almost surely, 2^20022000220 is an apocalyptic number.

20022000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022000220 is an abundant number, since it is smaller than the sum of its proper divisors (22028862788).

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

20022000220 is a wasteful number, since it uses less digits than its factorization.

20022000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111021 (or 111019 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20022000220 its reverse (2200022002), we get a palindrome (22222022222).

The spelling of 20022000220 in words is "twenty billion, twenty-two million, two hundred twenty", and thus it is an aban number.