10002012220 has 48 divisors (see below), whose sum is σ = 22443886080. Its totient is φ = 3730904064.

The previous prime is 10002012199. The next prime is 10002012233. The reversal of 10002012220 is 2221020001.

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 = 10002012197 and 10002012206.

It is a congruent number.

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, 97884 + ... + 172003.

It is an arithmetic number, because the mean of its divisors is an integer number (467580960).

Almost surely, 2^10002012220 is an apocalyptic number.

10002012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002012220 is an abundant number, since it is smaller than the sum of its proper divisors (12441873860).

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

10002012220 is a wasteful number, since it uses less digits than its factorization.

10002012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270022 (or 270020 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10002012220 its reverse (2221020001), we get a palindrome (12223032221).

The spelling of 10002012220 in words is "ten billion, two million, twelve thousand, two hundred twenty".