20022000002220 has 48 divisors (see below), whose sum is σ = 57994758632160. Its totient is φ = 5155089655296.

The previous prime is 20022000002189. The next prime is 20022000002287. The reversal of 20022000002220 is 2220000022002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20022000002196 and 20022000002205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5753446537 + ... + 5753450016.

It is an arithmetic number, because the mean of its divisors is an integer number (1208224138170).

Almost surely, 2^{20022000002220} is an apocalyptic number.

20022000002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022000002220 is an abundant number, since it is smaller than the sum of its proper divisors (37972758629940).

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

20022000002220 is a wasteful number, since it uses less digits than its factorization.

20022000002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11506896594 (or 11506896592 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20022000002220 its reverse (2220000022002), we get a palindrome (22242000024222).

The spelling of 20022000002220 in words is "twenty trillion, twenty-two billion, two thousand, two hundred twenty".