20240570 has 16 divisors (see below), whose sum is σ = 41637888. Its totient is φ = 6939600.

The previous prime is 20240543. The next prime is 20240581. The reversal of 20240570 is 7504202.

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, 144506 + ... + 144645.

It is an arithmetic number, because the mean of its divisors is an integer number (2602368).

Almost surely, 2^20240570 is an apocalyptic number.

20240570 is an abundant number, since it is smaller than the sum of its proper divisors (21397318).

20240570 is a wasteful number, since it uses less digits than its factorization.

20240570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289165.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20240570 is about 4498.9521002118. The cubic root of 20240570 is about 272.5257726094.

Adding to 20240570 its reverse (7504202), we get a palindrome (27744772).

The spelling of 20240570 in words is "twenty million, two hundred forty thousand, five hundred seventy".