3420266220 has 144 divisors (see below), whose sum is σ = 11882445120. Its totient is φ = 780092928.

The previous prime is 3420266203. The next prime is 3420266231. The reversal of 3420266220 is 226620243.

3420266220 is a `hidden beast` number, since 34 + 2 + 0 + 2 + 6 + 622 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 638674 + ... + 644006.

It is an arithmetic number, because the mean of its divisors is an integer number (82516980).

Almost surely, 2^3420266220 is an apocalyptic number.

3420266220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420266220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5941222560).

3420266220 is an abundant number, since it is smaller than the sum of its proper divisors (8462178900).

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

3420266220 is a wasteful number, since it uses less digits than its factorization.

3420266220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864 (or 5859 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3420266220 is about 58483.0421575349. The cubic root of 3420266220 is about 1506.6763468413.

Adding to 3420266220 its reverse (226620243), we get a palindrome (3646886463).

The spelling of 3420266220 in words is "three billion, four hundred twenty million, two hundred sixty-six thousand, two hundred twenty".