220502006 has 4 divisors (see below), whose sum is σ = 330753012. Its totient is φ = 110251002.

The previous prime is 220502003. The next prime is 220502017. The reversal of 220502006 is 600205022.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×220502006² = 97242269300048072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220502003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55125500 + ... + 55125503.

It is an arithmetic number, because the mean of its divisors is an integer number (82688253).

Almost surely, 2^220502006 is an apocalyptic number.

220502006 is a deficient number, since it is larger than the sum of its proper divisors (110251006).

220502006 is a wasteful number, since it uses less digits than its factorization.

220502006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110251005.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 220502006 is about 14849.3099502974. The cubic root of 220502006 is about 604.1398938423.

Adding to 220502006 its reverse (600205022), we get a palindrome (820707028).

The spelling of 220502006 in words is "two hundred twenty million, five hundred two thousand, six".