2200020000020 has 48 divisors (see below), whose sum is σ = 4667856152400. Its totient is φ = 870923698176.

The previous prime is 2200020000019. The next prime is 2200020000053. The reversal of 2200020000020 is 200000200022.

It can be written as a sum of positive squares in 8 ways, for example, as 339229364356 + 1860790635664 = 582434^2 + 1364108^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2200019999962 and 2200020000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797756 + ... + 2244204.

It is an arithmetic number, because the mean of its divisors is an integer number (97247003175).

Almost surely, 2^{2200020000020} is an apocalyptic number.

2200020000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200020000020 is an abundant number, since it is smaller than the sum of its proper divisors (2467836152380).

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

2200020000020 is a wasteful number, since it uses less digits than its factorization.

2200020000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447244 (or 1447242 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 2200020000020 its reverse (200000200022), we get a palindrome (2400020200042).

The spelling of 2200020000020 in words is "two trillion, two hundred billion, twenty million, twenty", and thus it is an aban number.