20050010220 has 48 divisors (see below), whose sum is σ = 56155246560. Its totient is φ = 5345220096.

The previous prime is 20050010209. The next prime is 20050010221. The reversal of 20050010220 is 2201005002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20050010196 and 20050010205.

It is not an unprimeable number, because it can be changed into a prime (20050010221) 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, 187816 + ... + 274544.

It is an arithmetic number, because the mean of its divisors is an integer number (1169900970).

Almost surely, 2^20050010220 is an apocalyptic number.

20050010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20050010220 is an abundant number, since it is smaller than the sum of its proper divisors (36105236340).

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

20050010220 is a wasteful number, since it uses less digits than its factorization.

20050010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90594 (or 90592 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

Adding to 20050010220 its reverse (2201005002), we get a palindrome (22251015222).

The spelling of 20050010220 in words is "twenty billion, fifty million, ten thousand, two hundred twenty".