220050390 has 32 divisors (see below), whose sum is σ = 603567360. Its totient is φ = 50297184.

The previous prime is 220050377. The next prime is 220050401. The reversal of 220050390 is 93050022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523720 + ... + 524139.

It is an arithmetic number, because the mean of its divisors is an integer number (18861480).

Almost surely, 2^220050390 is an apocalyptic number.

220050390 is an abundant number, since it is smaller than the sum of its proper divisors (383516970).

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

220050390 is a wasteful number, since it uses less digits than its factorization.

220050390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047876.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 220050390 is about 14834.0955234891. The cubic root of 220050390 is about 603.7271602966.

The spelling of 220050390 in words is "two hundred twenty million, fifty thousand, three hundred ninety".