39852020 has 24 divisors (see below), whose sum is σ = 90127464. Its totient is φ = 14714496.

The previous prime is 39852011. The next prime is 39852047. The reversal of 39852020 is 2025893.

It can be written as a sum of positive squares in 4 ways, for example, as 964324 + 38887696 = 982^2 + 6236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76379 + ... + 76898.

It is an arithmetic number, because the mean of its divisors is an integer number (3755311).

Almost surely, 2^39852020 is an apocalyptic number.

It is an amenable number.

39852020 is an abundant number, since it is smaller than the sum of its proper divisors (50275444).

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

39852020 is a wasteful number, since it uses less digits than its factorization.

39852020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153299 (or 153297 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 39852020 is about 6312.8456341019. The cubic root of 39852020 is about 341.5729311241.

The spelling of 39852020 in words is "thirty-nine million, eight hundred fifty-two thousand, twenty".