20022100220 has 12 divisors (see below), whose sum is σ = 42046410504. Its totient is φ = 8008840080.

The previous prime is 20022100177. The next prime is 20022100271. The reversal of 20022100220 is 2200122002.

It is a super-4 number, since 4×20022100220⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

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, 500552486 + ... + 500552525.

It is an arithmetic number, because the mean of its divisors is an integer number (3503867542).

Almost surely, 2^20022100220 is an apocalyptic number.

20022100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022100220 is an abundant number, since it is smaller than the sum of its proper divisors (22024310284).

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

20022100220 is a wasteful number, since it uses less digits than its factorization.

20022100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001105020 (or 1001105018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20022100220 its reverse (2200122002), we get a palindrome (22222222222).

The spelling of 20022100220 in words is "twenty billion, twenty-two million, one hundred thousand, two hundred twenty".