190720578220 has 36 divisors (see below), whose sum is σ = 410520160512. Its totient is φ = 74427529600.

The previous prime is 190720578203. The next prime is 190720578241. The reversal of 190720578220 is 22875027091.

190720578220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×190720578220⁵ (a number of 58 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2802796 + ... + 2870035.

It is an arithmetic number, because the mean of its divisors is an integer number (11403337792).

Almost surely, 2^190720578220 is an apocalyptic number.

190720578220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190720578220 is an abundant number, since it is smaller than the sum of its proper divisors (219799582292).

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

190720578220 is a wasteful number, since it uses less digits than its factorization.

190720578220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672922 (or 5672879 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 190720578220 in words is "one hundred ninety billion, seven hundred twenty million, five hundred seventy-eight thousand, two hundred twenty".