220001541 has 8 divisors (see below), whose sum is σ = 294110880. Its totient is φ = 146279952.

The previous prime is 220001527. The next prime is 220001581. The reversal of 220001541 is 145100022.

220001541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220001541 - 2⁶ = 220001477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220001541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95610 + ... + 97883.

It is an arithmetic number, because the mean of its divisors is an integer number (36763860).

Almost surely, 2^220001541 is an apocalyptic number.

It is an amenable number.

220001541 is a deficient number, since it is larger than the sum of its proper divisors (74109339).

220001541 is a wasteful number, since it uses less digits than its factorization.

220001541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193875.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 220001541 is about 14832.4489211998. The cubic root of 220001541 is about 603.6824831803.

Adding to 220001541 its reverse (145100022), we get a palindrome (365101563).

The spelling of 220001541 in words is "two hundred twenty million, one thousand, five hundred forty-one".