1220346006 has 64 divisors (see below), whose sum is σ = 2786918400. Its totient is φ = 352631840.

The previous prime is 1220345999. The next prime is 1220346011. The reversal of 1220346006 is 6006430221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 580345 + ... + 582443.

It is an arithmetic number, because the mean of its divisors is an integer number (43545600).

Almost surely, 2^1220346006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220346006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393459200).

1220346006 is an abundant number, since it is smaller than the sum of its proper divisors (1566572394).

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

1220346006 is a wasteful number, since it uses less digits than its factorization.

1220346006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1220346006 is about 34933.4511034910. The cubic root of 1220346006 is about 1068.6307363651.

Adding to 1220346006 its reverse (6006430221), we get a palindrome (7226776227).

The spelling of 1220346006 in words is "one billion, two hundred twenty million, three hundred forty-six thousand, six".