220204072 has 32 divisors (see below), whose sum is σ = 474127200. Its totient is φ = 94824000.

The previous prime is 220204069. The next prime is 220204081. The reversal of 220204072 is 270402022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64179 + ... + 67522.

It is an arithmetic number, because the mean of its divisors is an integer number (14816475).

Almost surely, 2^220204072 is an apocalyptic number.

220204072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220204072 is an abundant number, since it is smaller than the sum of its proper divisors (253923128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220204072 is a wasteful number, since it uses less digits than its factorization.

220204072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131737 (or 131733 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 220204072 is about 14839.2746453457. The cubic root of 220204072 is about 603.8676741828.

Adding to 220204072 its reverse (270402022), we get a palindrome (490606094).

The spelling of 220204072 in words is "two hundred twenty million, two hundred four thousand, seventy-two".