20410102 has 4 divisors (see below), whose sum is σ = 30615156. Its totient is φ = 10205050.

The previous prime is 20410097. The next prime is 20410109. The reversal of 20410102 is 20101402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102524 + ... + 5102527.

It is an arithmetic number, because the mean of its divisors is an integer number (7653789).

Almost surely, 2^20410102 is an apocalyptic number.

20410102 is a deficient number, since it is larger than the sum of its proper divisors (10205054).

20410102 is a wasteful number, since it uses less digits than its factorization.

20410102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205053.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20410102 is about 4517.7540880398. The cubic root of 20410102 is about 273.2845365333.

Adding to 20410102 its reverse (20101402), we get a palindrome (40511504).

It can be divided in two parts, 20410 and 102, that multiplied together give a triangular number (2081820 = T₂₀₄₀).

The spelling of 20410102 in words is "twenty million, four hundred ten thousand, one hundred two".