20002000220 has 24 divisors (see below), whose sum is σ = 42017841600. Its totient is φ = 7998201792.

The previous prime is 20002000217. The next prime is 20002000253. The reversal of 20002000220 is 2200020002.

It is a junction number, because it is equal to n+sod(n) for n = 20002000198 and 20002000207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98660 + ... + 223019.

It is an arithmetic number, because the mean of its divisors is an integer number (1750743400).

Almost surely, 2^20002000220 is an apocalyptic number.

20002000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002000220 is an abundant number, since it is smaller than the sum of its proper divisors (22015841380).

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

20002000220 is a wasteful number, since it uses less digits than its factorization.

20002000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324797 (or 324795 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20002000220 its reverse (2200020002), we get a palindrome (22202020222).

The spelling of 20002000220 in words is "twenty billion, two million, two hundred twenty", and thus it is an aban number.