220045012 has 12 divisors (see below), whose sum is σ = 420086016. Its totient is φ = 100020440.

The previous prime is 220045003. The next prime is 220045057. The reversal of 220045012 is 210540022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500468 + ... + 2500555.

It is an arithmetic number, because the mean of its divisors is an integer number (35007168).

Almost surely, 2^220045012 is an apocalyptic number.

220045012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220045012 is a deficient number, since it is larger than the sum of its proper divisors (200041004).

220045012 is a wasteful number, since it uses less digits than its factorization.

220045012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001038 (or 5001036 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 220045012 is about 14833.9142507971. The cubic root of 220045012 is about 603.7222419214.

Adding to 220045012 its reverse (210540022), we get a palindrome (430585034).

The spelling of 220045012 in words is "two hundred twenty million, forty-five thousand, twelve".