20202000000220 has 12 divisors (see below), whose sum is σ = 42424200000504. Its totient is φ = 8080800000080.

The previous prime is 20202000000197. The next prime is 20202000000293. The reversal of 20202000000220 is 2200000020202.

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 = 20202000000197 and 20202000000206.

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, 505049999986 + ... + 505050000025.

It is an arithmetic number, because the mean of its divisors is an integer number (3535350000042).

Almost surely, 2^{20202000000220} is an apocalyptic number.

20202000000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202000000220 is an abundant number, since it is smaller than the sum of its proper divisors (22222200000284).

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

20202000000220 is a wasteful number, since it uses less digits than its factorization.

20202000000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010100000020 (or 1010100000018 counting only the distinct ones).

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

Adding to 20202000000220 its reverse (2200000020202), we get a palindrome (22402000020422).

The spelling of 20202000000220 in words is "twenty trillion, two hundred two billion, two hundred twenty", and thus it is an aban number.