219920941 has 4 divisors (see below), whose sum is σ = 220016992. Its totient is φ = 219824892.

The previous prime is 219920893. The next prime is 219920971. The reversal of 219920941 is 149029912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 219920941 - 2¹⁵ = 219888173 is a prime.

It is a super-3 number, since 3×219920941³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 219920941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219920971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44505 + ... + 49198.

It is an arithmetic number, because the mean of its divisors is an integer number (55004248).

Almost surely, 2^219920941 is an apocalyptic number.

It is an amenable number.

219920941 is a deficient number, since it is larger than the sum of its proper divisors (96051).

219920941 is an equidigital number, since it uses as much as digits as its factorization.

219920941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96050.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 219920941 is about 14829.7316563719. The cubic root of 219920941 is about 603.6087522553.

The spelling of 219920941 in words is "two hundred nineteen million, nine hundred twenty thousand, nine hundred forty-one".