2003220021200 has 60 divisors (see below), whose sum is σ = 4829162103948. Its totient is φ = 798553190400.

The previous prime is 2003220021113. The next prime is 2003220021217. The reversal of 2003220021200 is 21200223002.

It can be written as a sum of positive squares in 6 ways, for example, as 91537712704 + 1911682308496 = 302552^2 + 1382636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8428961 + ... + 8663360.

Almost surely, 2^{2003220021200} is an apocalyptic number.

2003220021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003220021200 is an abundant number, since it is smaller than the sum of its proper divisors (2825942082748).

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

2003220021200 is a wasteful number, since it uses less digits than its factorization.

2003220021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092632 (or 17092621 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 2003220021200 its reverse (21200223002), we get a palindrome (2024420244202).

The spelling of 2003220021200 in words is "two trillion, three billion, two hundred twenty million, twenty-one thousand, two hundred".