220641799 has 16 divisors (see below), whose sum is σ = 255336448. Its totient is φ = 186756192.

The previous prime is 220641797. The next prime is 220641877. The reversal of 220641799 is 997146022.

220641799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220641799 - 2¹ = 220641797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220641797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251149 + ... + 252025.

It is an arithmetic number, because the mean of its divisors is an integer number (15958528).

Almost surely, 2^220641799 is an apocalyptic number.

220641799 is a deficient number, since it is larger than the sum of its proper divisors (34694649).

220641799 is a wasteful number, since it uses less digits than its factorization.

220641799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 220641799 is about 14854.0162582380. The cubic root of 220641799 is about 604.2675369548.

The spelling of 220641799 in words is "two hundred twenty million, six hundred forty-one thousand, seven hundred ninety-nine".