220810612 has 24 divisors (see below), whose sum is σ = 422033472. Its totient is φ = 100252800.

The previous prime is 220810591. The next prime is 220810631. The reversal of 220810612 is 216018022.

220810612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 44412 + ... + 49132.

It is an arithmetic number, because the mean of its divisors is an integer number (17584728).

Almost surely, 2^220810612 is an apocalyptic number.

220810612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220810612 is a deficient number, since it is larger than the sum of its proper divisors (201222860).

220810612 is a wasteful number, since it uses less digits than its factorization.

220810612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 220810612 is about 14859.6975743115. The cubic root of 220810612 is about 604.4216059960.

Adding to 220810612 its reverse (216018022), we get a palindrome (436828634).

The spelling of 220810612 in words is "two hundred twenty million, eight hundred ten thousand, six hundred twelve".