20306002 has 8 divisors (see below), whose sum is σ = 30844800. Its totient is φ = 10024404.

The previous prime is 20305981. The next prime is 20306017. The reversal of 20306002 is 20060302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64102 + ... + 64417.

It is an arithmetic number, because the mean of its divisors is an integer number (3855600).

Almost surely, 2^20306002 is an apocalyptic number.

20306002 is a deficient number, since it is larger than the sum of its proper divisors (10538798).

20306002 is a wasteful number, since it uses less digits than its factorization.

20306002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128600.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20306002 is about 4506.2181482924. The cubic root of 20306002 is about 272.8191228070.

Adding to 20306002 its reverse (20060302), we get a palindrome (40366304).

The spelling of 20306002 in words is "twenty million, three hundred six thousand, two".