219803190220 has 24 divisors (see below), whose sum is σ = 472844913408. Its totient is φ = 85776854400.

The previous prime is 219803190193. The next prime is 219803190241. The reversal of 219803190220 is 22091308912.

It is a self number, because there is not a number n which added to its sum of digits gives 219803190220.

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, 134025516 + ... + 134027155.

It is an arithmetic number, because the mean of its divisors is an integer number (19701871392).

Almost surely, 2^219803190220 is an apocalyptic number.

219803190220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219803190220 is an abundant number, since it is smaller than the sum of its proper divisors (253041723188).

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

219803190220 is a wasteful number, since it uses less digits than its factorization.

219803190220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268052721 (or 268052719 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 219803190220 in words is "two hundred nineteen billion, eight hundred three million, one hundred ninety thousand, two hundred twenty".