3363791820 has 96 divisors (see below), whose sum is σ = 9570451968. Its totient is φ = 882611712.

The previous prime is 3363791813. The next prime is 3363791843. The reversal of 3363791820 is 281973633.

It is a happy number.

It is a super-2 number, since 2×3363791820² = 22630190816597824800, which contains 22 as substring.

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, 2833267 + ... + 2834453.

It is an arithmetic number, because the mean of its divisors is an integer number (99692208).

Almost surely, 2^3363791820 is an apocalyptic number.

3363791820 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 3363791820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4785225984).

3363791820 is an abundant number, since it is smaller than the sum of its proper divisors (6206660148).

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

3363791820 is a wasteful number, since it uses less digits than its factorization.

3363791820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919 (or 1917 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 3363791820 is about 57998.2053170613. The cubic root of 3363791820 is about 1498.3376873806.

The spelling of 3363791820 in words is "three billion, three hundred sixty-three million, seven hundred ninety-one thousand, eight hundred twenty".