20242670 has 16 divisors (see below), whose sum is σ = 41642208. Its totient is φ = 6940320.

The previous prime is 20242603. The next prime is 20242687. The reversal of 20242670 is 7624202.

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, 144521 + ... + 144660.

It is an arithmetic number, because the mean of its divisors is an integer number (2602638).

Almost surely, 2^20242670 is an apocalyptic number.

20242670 is an abundant number, since it is smaller than the sum of its proper divisors (21399538).

20242670 is a wasteful number, since it uses less digits than its factorization.

20242670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289195.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20242670 is about 4499.1854818400. The cubic root of 20242670 is about 272.5351973165.

Adding to 20242670 its reverse (7624202), we get a palindrome (27866872).

The spelling of 20242670 in words is "twenty million, two hundred forty-two thousand, six hundred seventy".