220220999999 has 64 divisors (see below), whose sum is σ = 302266245120. Its totient is φ = 154907406720.

The previous prime is 220220999989. The next prime is 220221000011. The reversal of 220220999999 is 999999022022.

It is not a de Polignac number, because 220220999999 - 2⁸ = 220220999743 is a prime.

220220999999 is a modest number, since divided by 999999 gives 220220 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220999959) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9310502 + ... + 9334124.

It is an arithmetic number, because the mean of its divisors is an integer number (4722910080).

Almost surely, 2^220220999999 is an apocalyptic number.

220220999999 is a deficient number, since it is larger than the sum of its proper divisors (82045245121).

220220999999 is a wasteful number, since it uses less digits than its factorization.

220220999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23860.

The product of its (nonzero) digits is 8503056, while the sum is 62.

The spelling of 220220999999 in words is "two hundred twenty billion, two hundred twenty million, nine hundred ninety-nine thousand, nine hundred ninety-nine".