219813201220 has 12 divisors (see below), whose sum is σ = 461607722604. Its totient is φ = 87925280480.

The previous prime is 219813201217. The next prime is 219813201263. The reversal of 219813201220 is 22102318912.

219813201220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 104711782464 + 115101418756 = 323592^2 + 339266^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5495330011 + ... + 5495330050.

It is an arithmetic number, because the mean of its divisors is an integer number (38467310217).

Almost surely, 2^219813201220 is an apocalyptic number.

219813201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219813201220 is an abundant number, since it is smaller than the sum of its proper divisors (241794521384).

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

219813201220 is a wasteful number, since it uses less digits than its factorization.

219813201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990660070 (or 10990660068 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 219813201220 in words is "two hundred nineteen billion, eight hundred thirteen million, two hundred one thousand, two hundred twenty".