20020220220 has 192 divisors, whose sum is σ = 75265053696. Its totient is φ = 3840030720.

The previous prime is 20020220203. The next prime is 20020220249. The reversal of 20020220220 is 2202202002.

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

20020220220 is a modest number, since divided by 220220 gives 20020 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20020220196 and 20020220205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106609 + ... + 226728.

It is an arithmetic number, because the mean of its divisors is an integer number (392005488).

Almost surely, 2^20020220220 is an apocalyptic number.

20020220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020220220 is an abundant number, since it is smaller than the sum of its proper divisors (55244833476).

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

20020220220 is a wasteful number, since it uses less digits than its factorization.

20020220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333380 (or 333378 counting only the distinct ones).

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

Adding to 20020220220 its reverse (2202202002), we get a palindrome (22222422222).

The spelling of 20020220220 in words is "twenty billion, twenty million, two hundred twenty thousand, two hundred twenty".