220521141 has 12 divisors (see below), whose sum is σ = 318665568. Its totient is φ = 146951784.

The previous prime is 220521139. The next prime is 220521143. The reversal of 220521141 is 141125022.

220521141 is a `hidden beast` number, since 2 + 2 + 0 + 521 + 141 = 666.

220521141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220521139) and next prime (220521143).

It is not a de Polignac number, because 220521141 - 2¹ = 220521139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220521143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29226 + ... + 35988.

It is an arithmetic number, because the mean of its divisors is an integer number (26555464).

Almost surely, 2^220521141 is an apocalyptic number.

It is an amenable number.

220521141 is a deficient number, since it is larger than the sum of its proper divisors (98144427).

220521141 is a wasteful number, since it uses less digits than its factorization.

220521141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10392 (or 10389 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 220521141 is about 14849.9542423537. The cubic root of 220521141 is about 604.1573689403.

Adding to 220521141 its reverse (141125022), we get a palindrome (361646163).

The spelling of 220521141 in words is "two hundred twenty million, five hundred twenty-one thousand, one hundred forty-one".