220002020 has 48 divisors (see below), whose sum is σ = 535465728. Its totient is φ = 74363520.

The previous prime is 220001953. The next prime is 220002031. The reversal of 220002020 is 20200022.

It is a junction number, because it is equal to n+sod(n) for n = 220001989 and 220002007.

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, 1127 + ... + 21006.

It is an arithmetic number, because the mean of its divisors is an integer number (11155536).

Almost surely, 2^220002020 is an apocalyptic number.

220002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267732864).

220002020 is an abundant number, since it is smaller than the sum of its proper divisors (315463708).

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

220002020 is a wasteful number, since it uses less digits than its factorization.

220002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22220 (or 22218 counting only the distinct ones).

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

The square root of 220002020 is about 14832.4650682211. The cubic root of 220002020 is about 603.6829213041.

Adding to 220002020 its reverse (20200022), we get a palindrome (240202042).

The spelling of 220002020 in words is "two hundred twenty million, two thousand, twenty".