49820020 has 12 divisors (see below), whose sum is σ = 104622084. Its totient is φ = 19928000.

The previous prime is 49819997. The next prime is 49820039. The reversal of 49820020 is 2002894.

49820020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37625956 + 12194064 = 6134^2 + 3492^2 .

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 3 ways as a sum of consecutive naturals, for example, 1245481 + ... + 1245520.

It is an arithmetic number, because the mean of its divisors is an integer number (8718507).

Almost surely, 2^49820020 is an apocalyptic number.

It is an amenable number.

49820020 is an abundant number, since it is smaller than the sum of its proper divisors (54802064).

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

49820020 is a wasteful number, since it uses less digits than its factorization.

49820020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491010 (or 2491008 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 49820020 is about 7058.3298307744. The cubic root of 49820020 is about 367.9605837588.

The spelling of 49820020 in words is "forty-nine million, eight hundred twenty thousand, twenty".