2203203200020 has 24 divisors (see below), whose sum is σ = 4631664568104. Its totient is φ = 880340737536.

The previous prime is 2203203199999. The next prime is 2203203200053. The reversal of 2203203200020 is 200023023022.

It can be written as a sum of positive squares in 4 ways, for example, as 72806070276 + 2130397129744 = 269826^2 + 1459588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2203203199967 and 2203203200003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58764697 + ... + 58802176.

It is an arithmetic number, because the mean of its divisors is an integer number (192986023671).

Almost surely, 2^{2203203200020} is an apocalyptic number.

2203203200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203203200020 is an abundant number, since it is smaller than the sum of its proper divisors (2428461368084).

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

2203203200020 is a wasteful number, since it uses less digits than its factorization.

2203203200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117567819 (or 117567817 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 2203203200020 its reverse (200023023022), we get a palindrome (2403226223042).

The spelling of 2203203200020 in words is "two trillion, two hundred three billion, two hundred three million, two hundred thousand, twenty".