3820018220 has 12 divisors (see below), whose sum is σ = 8022038304. Its totient is φ = 1528007280.

The previous prime is 3820018193. The next prime is 3820018259. The reversal of 3820018220 is 228100283.

3820018220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3820018220² = 29185078402263936800, 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 3820018220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95500436 + ... + 95500475.

It is an arithmetic number, because the mean of its divisors is an integer number (668503192).

Almost surely, 2^3820018220 is an apocalyptic number.

It is an amenable number.

3820018220 is an abundant number, since it is smaller than the sum of its proper divisors (4202020084).

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

3820018220 is a wasteful number, since it uses less digits than its factorization.

3820018220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191000920 (or 191000918 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 3820018220 is about 61806.2959576126. The cubic root of 3820018220 is about 1563.2261501169.

The spelling of 3820018220 in words is "three billion, eight hundred twenty million, eighteen thousand, two hundred twenty".