20862104 has 16 divisors (see below), whose sum is σ = 40817520. Its totient is φ = 9977440.

The previous prime is 20862097. The next prime is 20862113. The reversal of 20862104 is 40126802.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 20862104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56507 + ... + 56874.

It is an arithmetic number, because the mean of its divisors is an integer number (2551095).

Almost surely, 2^20862104 is an apocalyptic number.

It is an amenable number.

20862104 is a deficient number, since it is larger than the sum of its proper divisors (19955416).

20862104 is a wasteful number, since it uses less digits than its factorization.

20862104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113410 (or 113406 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 20862104 is about 4567.5052271453. The cubic root of 20862104 is about 275.2872106758.

Adding to 20862104 its reverse (40126802), we get a palindrome (60988906).

The spelling of 20862104 in words is "twenty million, eight hundred sixty-two thousand, one hundred four".