20610103 has 8 divisors (see below), whose sum is σ = 21863088. Its totient is φ = 19361664.

The previous prime is 20610091. The next prime is 20610113. The reversal of 20610103 is 30101602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20610103 - 2¹⁷ = 20479031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20610113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14325 + ... + 15697.

It is an arithmetic number, because the mean of its divisors is an integer number (2732886).

Almost surely, 2^20610103 is an apocalyptic number.

20610103 is a deficient number, since it is larger than the sum of its proper divisors (1252985).

20610103 is a wasteful number, since it uses less digits than its factorization.

20610103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 20610103 is about 4539.8351291649. The cubic root of 20610103 is about 274.1742857284.

Adding to 20610103 its reverse (30101602), we get a palindrome (50711705).

It can be divided in two parts, 20610 and 103, that multiplied together give a triangular number (2122830 = T₂₀₆₀).

The spelling of 20610103 in words is "twenty million, six hundred ten thousand, one hundred three".