20020020000220 has 48 divisors (see below), whose sum is σ = 42672425822208. Its totient is φ = 7887951086400.

The previous prime is 20020020000191. The next prime is 20020020000229. The reversal of 20020020000220 is 2200002002002.

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 = 20020020000197 and 20020020000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020020000229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19578645 + ... + 20575795.

It is an arithmetic number, because the mean of its divisors is an integer number (889008871296).

Almost surely, 2^{20020020000220} is an apocalyptic number.

20020020000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020020000220 is an abundant number, since it is smaller than the sum of its proper divisors (22652405821988).

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

20020020000220 is a wasteful number, since it uses less digits than its factorization.

20020020000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012210 (or 1012208 counting only the distinct ones).

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

Adding to 20020020000220 its reverse (2200002002002), we get a palindrome (22220022002222).

The spelling of 20020020000220 in words is "twenty trillion, twenty billion, twenty million, two hundred twenty", and thus it is an aban number.