220213100 has 18 divisors (see below), whose sum is σ = 477862644. Its totient is φ = 88085200.

The previous prime is 220213099. The next prime is 220213117. The reversal of 220213100 is 1312022.

It is a happy number.

It is a super-2 number, since 2×220213100² = 96987618823220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1100966 + ... + 1101165.

Almost surely, 2^220213100 is an apocalyptic number.

220213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220213100 is an abundant number, since it is smaller than the sum of its proper divisors (257649544).

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

220213100 is a wasteful number, since it uses less digits than its factorization.

220213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202145 (or 2202138 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 220213100 is about 14839.5788349939. The cubic root of 220213100 is about 603.8759265928.

Adding to 220213100 its reverse (1312022), we get a palindrome (221525122).

The spelling of 220213100 in words is "two hundred twenty million, two hundred thirteen thousand, one hundred".