10200220120 has 64 divisors (see below), whose sum is σ = 23658324480. Its totient is φ = 3955879296.

The previous prime is 10200220087. The next prime is 10200220123. The reversal of 10200220120 is 2102200201.

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 = 10200220097 and 10200220106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175807 + ... + 226513.

It is an arithmetic number, because the mean of its divisors is an integer number (369661320).

Almost surely, 2^10200220120 is an apocalyptic number.

10200220120 is a gapful number since it is divisible by the number (10) 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 10200220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11829162240).

10200220120 is an abundant number, since it is smaller than the sum of its proper divisors (13458104360).

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

10200220120 is a wasteful number, since it uses less digits than its factorization.

10200220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50872 (or 50868 counting only the distinct ones).

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

Adding to 10200220120 its reverse (2102200201), we get a palindrome (12302420321).

The spelling of 10200220120 in words is "ten billion, two hundred million, two hundred twenty thousand, one hundred twenty".