3840204020 has 12 divisors (see below), whose sum is σ = 8064428484. Its totient is φ = 1536081600.

The previous prime is 3840204007. The next prime is 3840204031. The reversal of 3840204020 is 204020483.

It can be written as a sum of positive squares in 2 ways, for example, as 2981596816 + 858607204 = 54604^2 + 29302^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 96005081 + ... + 96005120.

It is an arithmetic number, because the mean of its divisors is an integer number (672035707).

Almost surely, 2^3840204020 is an apocalyptic number.

It is an amenable number.

3840204020 is an abundant number, since it is smaller than the sum of its proper divisors (4224224464).

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

3840204020 is a wasteful number, since it uses less digits than its factorization.

3840204020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192010210 (or 192010208 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3840204020 is about 61969.3796967502. The cubic root of 3840204020 is about 1565.9747890075.

The spelling of 3840204020 in words is "three billion, eight hundred forty million, two hundred four thousand, twenty".