10200012220 has 24 divisors (see below), whose sum is σ = 21632109408. Its totient is φ = 4039608000.

The previous prime is 10200012203. The next prime is 10200012227. The reversal of 10200012220 is 2221000201.

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 = 10200012197 and 10200012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200012227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2522736 + ... + 2526775.

It is an arithmetic number, because the mean of its divisors is an integer number (901337892).

Almost surely, 2^10200012220 is an apocalyptic number.

10200012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200012220 is an abundant number, since it is smaller than the sum of its proper divisors (11432097188).

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

10200012220 is a wasteful number, since it uses less digits than its factorization.

10200012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049621 (or 5049619 counting only the distinct ones).

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

Adding to 10200012220 its reverse (2221000201), we get a palindrome (12421012421).

The spelling of 10200012220 in words is "ten billion, two hundred million, twelve thousand, two hundred twenty".