20059870 has 16 divisors (see below), whose sum is σ = 36352800. Its totient is φ = 7969504.

The previous prime is 20059861. The next prime is 20059901. The reversal of 20059870 is 7895002.

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 7 ways as a sum of consecutive naturals, for example, 5242 + ... + 8221.

It is an arithmetic number, because the mean of its divisors is an integer number (2272050).

Almost surely, 2^20059870 is an apocalyptic number.

20059870 is a deficient number, since it is larger than the sum of its proper divisors (16292930).

20059870 is a wasteful number, since it uses less digits than its factorization.

20059870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13619.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 20059870 is about 4478.8246225991. The cubic root of 20059870 is about 271.7123454791.

The spelling of 20059870 in words is "twenty million, fifty-nine thousand, eight hundred seventy".