3355787820 has 192 divisors, whose sum is σ = 12093161472. Its totient is φ = 674784000.

The previous prime is 3355787801. The next prime is 3355787843. The reversal of 3355787820 is 287875533.

It is a super-2 number, since 2×3355787820² = 22522623785720704800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3355787820.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131505 + ... + 154935.

It is an arithmetic number, because the mean of its divisors is an integer number (62985216).

Almost surely, 2^3355787820 is an apocalyptic number.

3355787820 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 3355787820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6046580736).

3355787820 is an abundant number, since it is smaller than the sum of its proper divisors (8737373652).

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

3355787820 is a wasteful number, since it uses less digits than its factorization.

3355787820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23492 (or 23490 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 3355787820 is about 57929.1620861203. The cubic root of 3355787820 is about 1497.1483332110.

The spelling of 3355787820 in words is "three billion, three hundred fifty-five million, seven hundred eighty-seven thousand, eight hundred twenty".