220554113445 has 48 divisors (see below), whose sum is σ = 393289923312. Its totient is φ = 114256189440.

The previous prime is 220554113387. The next prime is 220554113473. The reversal of 220554113445 is 544311455022.

220554113445 is a `hidden beast` number, since 2 + 20 + 554 + 11 + 34 + 45 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 12393700929 + 208160412516 = 111327^2 + 456246^2 .

It is not a de Polignac number, because 220554113445 - 2¹⁰ = 220554112421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 875655 + ... + 1099035.

It is an arithmetic number, because the mean of its divisors is an integer number (8193540069).

Almost surely, 2^220554113445 is an apocalyptic number.

It is an amenable number.

220554113445 is a deficient number, since it is larger than the sum of its proper divisors (172735809867).

220554113445 is a wasteful number, since it uses less digits than its factorization.

220554113445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224022 (or 224019 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 220554113445 its reverse (544311455022), we get a palindrome (764865568467).

The spelling of 220554113445 in words is "two hundred twenty billion, five hundred fifty-four million, one hundred thirteen thousand, four hundred forty-five".