220445530445 has 32 divisors (see below), whose sum is σ = 309074116608. Its totient is φ = 147794833728.

The previous prime is 220445530439. The next prime is 220445530469. The reversal of 220445530445 is 544035544022.

It is a cyclic number.

It is not a de Polignac number, because 220445530445 - 2¹⁶ = 220445464909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220445530399 and 220445530408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1548872 + ... + 1685198.

It is an arithmetic number, because the mean of its divisors is an integer number (9658566144).

Almost surely, 2^220445530445 is an apocalyptic number.

It is an amenable number.

220445530445 is a deficient number, since it is larger than the sum of its proper divisors (88628586163).

220445530445 is a wasteful number, since it uses less digits than its factorization.

220445530445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137369.

The product of its (nonzero) digits is 384000, while the sum is 38.

The spelling of 220445530445 in words is "two hundred twenty billion, four hundred forty-five million, five hundred thirty thousand, four hundred forty-five".