220004012 has 6 divisors (see below), whose sum is σ = 385007028. Its totient is φ = 110002004.

The previous prime is 220004011. The next prime is 220004017. The reversal of 220004012 is 210400022.

It is a super-2 number, since 2×220004012² = 96803530592192288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220003984 and 220004002.

It is not an unprimeable number, because it can be changed into a prime (220004011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500498 + ... + 27500505.

It is an arithmetic number, because the mean of its divisors is an integer number (64167838).

Almost surely, 2^220004012 is an apocalyptic number.

It is an amenable number.

220004012 is a deficient number, since it is larger than the sum of its proper divisors (165003016).

220004012 is a wasteful number, since it uses less digits than its factorization.

220004012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55001007 (or 55001005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 220004012 is about 14832.5322180671. The cubic root of 220004012 is about 603.6847433067.

Adding to 220004012 its reverse (210400022), we get a palindrome (430404034).

The spelling of 220004012 in words is "two hundred twenty million, four thousand, twelve".