220412020 has 12 divisors (see below), whose sum is σ = 462865284. Its totient is φ = 88164800.

The previous prime is 220412011. The next prime is 220412029. The reversal of 220412020 is 20214022.

It is an interprime number because it is at equal distance from previous prime (220412011) and next prime (220412029).

It can be written as a sum of positive squares in 2 ways, for example, as 27646564 + 192765456 = 5258^2 + 13884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220412029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5510281 + ... + 5510320.

It is an arithmetic number, because the mean of its divisors is an integer number (38572107).

Almost surely, 2^220412020 is an apocalyptic number.

220412020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220412020 is an abundant number, since it is smaller than the sum of its proper divisors (242453264).

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

220412020 is a wasteful number, since it uses less digits than its factorization.

220412020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020610 (or 11020608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220412020 is about 14846.2796686577. The cubic root of 220412020 is about 604.0577002901.

Adding to 220412020 its reverse (20214022), we get a palindrome (240626042).

The spelling of 220412020 in words is "two hundred twenty million, four hundred twelve thousand, twenty".