39550020 has 48 divisors (see below), whose sum is σ = 116571840. Its totient is φ = 9991296.

The previous prime is 39550009. The next prime is 39550057. The reversal of 39550020 is 2005593.

39550020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16207 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (2428580).

Almost surely, 2^39550020 is an apocalyptic number.

39550020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39550020 is an abundant number, since it is smaller than the sum of its proper divisors (77021820).

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

39550020 is a wasteful number, since it uses less digits than its factorization.

39550020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34724 (or 34722 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 39550020 is about 6288.8806635203. The cubic root of 39550020 is about 340.7079252132.

The spelling of 39550020 in words is "thirty-nine million, five hundred fifty thousand, twenty".