20312123002 has 8 divisors (see below), whose sum is σ = 30471284736. Its totient is φ = 10155028092.

The previous prime is 20312122997. The next prime is 20312123059. The reversal of 20312123002 is 20032121302.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 491898 + ... + 531589.

It is an arithmetic number, because the mean of its divisors is an integer number (3808910592).

Almost surely, 2^20312123002 is an apocalyptic number.

20312123002 is a deficient number, since it is larger than the sum of its proper divisors (10159161734).

20312123002 is a wasteful number, since it uses less digits than its factorization.

20312123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033412.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20312123002 its reverse (20032121302), we get a palindrome (40344244304).

The spelling of 20312123002 in words is "twenty billion, three hundred twelve million, one hundred twenty-three thousand, two".