20130302 has 4 divisors (see below), whose sum is σ = 30195456. Its totient is φ = 10065150.

The previous prime is 20130293. The next prime is 20130343. The reversal of 20130302 is 20303102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20303102 = 2 ⋅10151551.

It is a super-2 number, since 2×20130302² = 810458117222408, which contains 22 as substring.

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, 5032574 + ... + 5032577.

It is an arithmetic number, because the mean of its divisors is an integer number (7548864).

Almost surely, 2^20130302 is an apocalyptic number.

20130302 is a deficient number, since it is larger than the sum of its proper divisors (10065154).

20130302 is a wasteful number, since it uses less digits than its factorization.

20130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10065153.

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

The square root of 20130302 is about 4486.6805101322. The cubic root of 20130302 is about 272.0299761513.

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

It can be divided in two parts, 201 and 30302, that added together give a palindrome (30503).

The spelling of 20130302 in words is "twenty million, one hundred thirty thousand, three hundred two".