1000220120200 has 96 divisors (see below), whose sum is σ = 2657937470400. Its totient is φ = 342905552640.

The previous prime is 1000220120189. The next prime is 1000220120209. The reversal of 1000220120200 is 20210220001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1000220120209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26913231 + ... + 26950369.

It is an arithmetic number, because the mean of its divisors is an integer number (27686848650).

Almost surely, 2^{1000220120200} is an apocalyptic number.

1000220120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000220120200 is an abundant number, since it is smaller than the sum of its proper divisors (1657717350200).

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

1000220120200 is a wasteful number, since it uses less digits than its factorization.

1000220120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56399 (or 56390 counting only the distinct ones).

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

Adding to 1000220120200 its reverse (20210220001), we get a palindrome (1020430340201).

The spelling of 1000220120200 in words is "one trillion, two hundred twenty million, one hundred twenty thousand, two hundred".