20303102 has 4 divisors (see below), whose sum is σ = 30454656. Its totient is φ = 10151550.

The previous prime is 20303071. The next prime is 20303111. The reversal of 20303102 is 20130302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20130302 = 2 ⋅10065151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075774 + ... + 5075777.

It is an arithmetic number, because the mean of its divisors is an integer number (7613664).

Almost surely, 2^20303102 is an apocalyptic number.

20303102 is a deficient number, since it is larger than the sum of its proper divisors (10151554).

20303102 is a wasteful number, since it uses less digits than its factorization.

20303102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151553.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20303102 is about 4505.8963592164. The cubic root of 20303102 is about 272.8061346419.

Adding to 20303102 its reverse (20130302), we get a palindrome (40433404).

The spelling of 20303102 in words is "twenty million, three hundred three thousand, one hundred two".