220511144146 has 4 divisors (see below), whose sum is σ = 330766716222. Its totient is φ = 110255572072.

The previous prime is 220511144069. The next prime is 220511144207. The reversal of 220511144146 is 641441115022.

220511144146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 207698036121 + 12813108025 = 455739^2 + 113195^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55127786035 + ... + 55127786038.

Almost surely, 2^220511144146 is an apocalyptic number.

220511144146 is a deficient number, since it is larger than the sum of its proper divisors (110255572076).

220511144146 is a wasteful number, since it uses less digits than its factorization.

220511144146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110255572075.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 220511144146 its reverse (641441115022), we get a palindrome (861952259168).

The spelling of 220511144146 in words is "two hundred twenty billion, five hundred eleven million, one hundred forty-four thousand, one hundred forty-six".