20323310302 has 4 divisors (see below), whose sum is σ = 30484965456. Its totient is φ = 10161655150.

The previous prime is 20323310257. The next prime is 20323310317. The reversal of 20323310302 is 20301332302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20323310302.

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, 5080827574 + ... + 5080827577.

It is an arithmetic number, because the mean of its divisors is an integer number (7621241364).

Almost surely, 2^20323310302 is an apocalyptic number.

20323310302 is a deficient number, since it is larger than the sum of its proper divisors (10161655154).

20323310302 is a wasteful number, since it uses less digits than its factorization.

20323310302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161655153.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20323310302 its reverse (20301332302), we get a palindrome (40624642604).

It can be divided in two parts, 20323 and 310302, that added together give a square (330625 = 575²).

The spelling of 20323310302 in words is "twenty billion, three hundred twenty-three million, three hundred ten thousand, three hundred two".