220778227630 has 16 divisors (see below), whose sum is σ = 397498452624. Its totient is φ = 88289592640.

The previous prime is 220778227613. The next prime is 220778227633. The reversal of 220778227630 is 36722877022.

It is a super-3 number, since 3×220778227630³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220778227633) 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, 2669536 + ... + 2750995.

It is an arithmetic number, because the mean of its divisors is an integer number (24843653289).

Almost surely, 2^220778227630 is an apocalyptic number.

220778227630 is a deficient number, since it is larger than the sum of its proper divisors (176720224994).

220778227630 is a wasteful number, since it uses less digits than its factorization.

220778227630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424611.

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 220778227630 in words is "two hundred twenty billion, seven hundred seventy-eight million, two hundred twenty-seven thousand, six hundred thirty".