20123203321002 has 8 divisors (see below), whose sum is σ = 40246406642016. Its totient is φ = 6707734440332.

The previous prime is 20123203320991. The next prime is 20123203321027. The reversal of 20123203321002 is 20012330232102.

It is a happy number.

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

20123203321002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20123203321002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676933610078 + ... + 1676933610089.

It is an arithmetic number, because the mean of its divisors is an integer number (5030800830252).

Almost surely, 2^{20123203321002} is an apocalyptic number.

20123203321002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20123203321002 is a wasteful number, since it uses less digits than its factorization.

20123203321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353867220172.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20123203321002 its reverse (20012330232102), we get a palindrome (40135533553104).

The spelling of 20123203321002 in words is "twenty trillion, one hundred twenty-three billion, two hundred three million, three hundred twenty-one thousand, two".