20269102 has 16 divisors (see below), whose sum is σ = 35868672. Its totient is φ = 8406360.

The previous prime is 20269099. The next prime is 20269121. The reversal of 20269102 is 20196202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 22918 + ... + 23785.

It is an arithmetic number, because the mean of its divisors is an integer number (2241792).

Almost surely, 2^20269102 is an apocalyptic number.

20269102 is a deficient number, since it is larger than the sum of its proper divisors (15599570).

20269102 is a wasteful number, since it uses less digits than its factorization.

20269102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46743.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 20269102 is about 4502.1219441503. The cubic root of 20269102 is about 272.6537672680.

Subtracting from 20269102 its reverse (20196202), we obtain a square (72900 = 270²).

The spelling of 20269102 in words is "twenty million, two hundred sixty-nine thousand, one hundred two".