20312333002 has 16 divisors (see below), whose sum is σ = 34539190560. Its totient is φ = 8881505712.

The previous prime is 20312332993. The next prime is 20312333003. The reversal of 20312333002 is 20033321302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (20312333003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20558548 + ... + 20559535.

It is an arithmetic number, because the mean of its divisors is an integer number (2158699410).

Almost surely, 2^20312333002 is an apocalyptic number.

20312333002 is a deficient number, since it is larger than the sum of its proper divisors (14226857558).

20312333002 is a wasteful number, since it uses less digits than its factorization.

20312333002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41118117.

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

Adding to 20312333002 its reverse (20033321302), we get a palindrome (40345654304).

The spelling of 20312333002 in words is "twenty billion, three hundred twelve million, three hundred thirty-three thousand, two".