220204047 has 64 divisors (see below), whose sum is σ = 368640000. Its totient is φ = 114162048.

The previous prime is 220204021. The next prime is 220204051. The reversal of 220204047 is 740402022.

It is not a de Polignac number, because 220204047 - 2¹⁶ = 220138511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220204087) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1106454 + ... + 1106652.

It is an arithmetic number, because the mean of its divisors is an integer number (5760000).

Almost surely, 2^220204047 is an apocalyptic number.

220204047 is a deficient number, since it is larger than the sum of its proper divisors (148435953).

220204047 is a wasteful number, since it uses less digits than its factorization.

220204047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 220204047 is about 14839.2738029865. The cubic root of 220204047 is about 603.8676513302.

Adding to 220204047 its reverse (740402022), we get a palindrome (960606069).

The spelling of 220204047 in words is "two hundred twenty million, two hundred four thousand, forty-seven".