20102302 has 16 divisors (see below), whose sum is σ = 33347952. Its totient is φ = 9011520.

The previous prime is 20102293. The next prime is 20102309. The reversal of 20102302 is 20320102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102309) 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, 4653 + ... + 7864.

It is an arithmetic number, because the mean of its divisors is an integer number (2084247).

Almost surely, 2^20102302 is an apocalyptic number.

20102302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20102302 is a deficient number, since it is larger than the sum of its proper divisors (13245650).

20102302 is a wasteful number, since it uses less digits than its factorization.

20102302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12603.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20102302 is about 4483.5590773402. The cubic root of 20102302 is about 271.9037920272.

Adding to 20102302 its reverse (20320102), we get a palindrome (40422404).

The spelling of 20102302 in words is "twenty million, one hundred two thousand, three hundred two".