20123410 has 16 divisors (see below), whose sum is σ = 38353176. Its totient is φ = 7575808.

The previous prime is 20123401. The next prime is 20123417. The reversal of 20123410 is 1432102.

It can be written as a sum of positive squares in 4 ways, for example, as 13169641 + 6953769 = 3629^2 + 2637^2 .

It is not an unprimeable number, because it can be changed into a prime (20123417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59017 + ... + 59356.

Almost surely, 2^20123410 is an apocalyptic number.

20123410 is a deficient number, since it is larger than the sum of its proper divisors (18229766).

20123410 is a wasteful number, since it uses less digits than its factorization.

20123410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118397.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20123410 is about 4485.9123932596. The cubic root of 20123410 is about 271.9989276919.

Adding to 20123410 its reverse (1432102), we get a palindrome (21555512).

The spelling of 20123410 in words is "twenty million, one hundred twenty-three thousand, four hundred ten".