20312323002 has 24 divisors (see below), whose sum is σ = 44047920384. Its totient is φ = 6764945544.

The previous prime is 20312323001. The next prime is 20312323049. The reversal of 20312323002 is 20032321302.

It is a happy number.

20312323002 is a `hidden beast` number, since 20 + 312 + 32 + 300 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20312323001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464218 + ... + 506085.

It is an arithmetic number, because the mean of its divisors is an integer number (1835330016).

Almost surely, 2^20312323002 is an apocalyptic number.

20312323002 is an abundant number, since it is smaller than the sum of its proper divisors (23735597382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20312323002 is a wasteful number, since it uses less digits than its factorization.

20312323002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971474 (or 971471 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20312323002 its reverse (20032321302), we get a palindrome (40344644304).

The spelling of 20312323002 in words is "twenty billion, three hundred twelve million, three hundred twenty-three thousand, two".