20313323302 has 4 divisors (see below), whose sum is σ = 30469984956. Its totient is φ = 10156661650.

The previous prime is 20313323227. The next prime is 20313323309. The reversal of 20313323302 is 20332331302.

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

It is a super-2 number, since 2×20313323302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313323309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078330824 + ... + 5078330827.

It is an arithmetic number, because the mean of its divisors is an integer number (7617496239).

Almost surely, 2^20313323302 is an apocalyptic number.

20313323302 is a deficient number, since it is larger than the sum of its proper divisors (10156661654).

20313323302 is a wasteful number, since it uses less digits than its factorization.

20313323302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156661653.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20313323302 its reverse (20332331302), we get a palindrome (40645654604).

The spelling of 20313323302 in words is "twenty billion, three hundred thirteen million, three hundred twenty-three thousand, three hundred two".