220071044 has 6 divisors (see below), whose sum is σ = 385124334. Its totient is φ = 110035520.

The previous prime is 220071043. The next prime is 220071113. The reversal of 220071044 is 440170022.

It can be written as a sum of positive squares in only one way, i.e., 156550144 + 63520900 = 12512^2 + 7970^2 .

It is not an unprimeable number, because it can be changed into a prime (220071043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27508877 + ... + 27508884.

It is an arithmetic number, because the mean of its divisors is an integer number (64187389).

Almost surely, 2^220071044 is an apocalyptic number.

It is an amenable number.

220071044 is a deficient number, since it is larger than the sum of its proper divisors (165053290).

220071044 is a wasteful number, since it uses less digits than its factorization.

220071044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55017765 (or 55017763 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 220071044 is about 14834.7916736299. The cubic root of 220071044 is about 603.7460483805.

The spelling of 220071044 in words is "two hundred twenty million, seventy-one thousand, forty-four".