3817078020 has 576 divisors, whose sum is σ = 14661803520. Its totient is φ = 815173632.

The previous prime is 3817078009. The next prime is 3817078033. The reversal of 3817078020 is 208707183.

3817078020 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 2×3817078020² = 29140169221534240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 52288704 + ... + 52288776.

It is an arithmetic number, because the mean of its divisors is an integer number (25454520).

Almost surely, 2^3817078020 is an apocalyptic number.

3817078020 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 3817078020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7330901760).

3817078020 is an abundant number, since it is smaller than the sum of its proper divisors (10844725500).

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

3817078020 is a wasteful number, since it uses less digits than its factorization.

3817078020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 3817078020 is about 61782.5057763118. The cubic root of 3817078020 is about 1562.8249847323.

The spelling of 3817078020 in words is "three billion, eight hundred seventeen million, seventy-eight thousand, twenty".