20110870 has 16 divisors (see below), whose sum is σ = 38984400. Its totient is φ = 7425504.

The previous prime is 20110861. The next prime is 20110879. The reversal of 20110870 is 7801102.

It is an interprime number because it is at equal distance from previous prime (20110861) and next prime (20110879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110879) by changing a digit.

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, 77220 + ... + 77479.

It is an arithmetic number, because the mean of its divisors is an integer number (2436525).

Almost surely, 2^20110870 is an apocalyptic number.

20110870 is a deficient number, since it is larger than the sum of its proper divisors (18873530).

20110870 is a wasteful number, since it uses less digits than its factorization.

20110870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154719.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 20110870 is about 4484.5144664724. The cubic root of 20110870 is about 271.9424168040.

Adding to 20110870 its reverse (7801102), we get a palindrome (27911972).

The spelling of 20110870 in words is "twenty million, one hundred ten thousand, eight hundred seventy".