2220020063776 has 24 divisors (see below), whose sum is σ = 4370913984780. Its totient is φ = 1109946670848.

The previous prime is 2220020063759. The next prime is 2220020063777. The reversal of 2220020063776 is 6773600200222.

It can be written as a sum of positive squares in 2 ways, for example, as 2207827487376 + 12192576400 = 1485876^2 + 110420^2 .

It is not an unprimeable number, because it can be changed into a prime (2220020063777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408131 + ... + 2534338.

Almost surely, 2^{2220020063776} is an apocalyptic number.

It is an amenable number.

2220020063776 is a deficient number, since it is larger than the sum of its proper divisors (2150893921004).

2220020063776 is a wasteful number, since it uses less digits than its factorization.

2220020063776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960076 (or 3960068 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

Adding to 2220020063776 its reverse (6773600200222), we get a palindrome (8993620263998).

The spelling of 2220020063776 in words is "two trillion, two hundred twenty billion, twenty million, sixty-three thousand, seven hundred seventy-six".