20102331203323 has 4 divisors (see below), whose sum is σ = 20102347381480. Its totient is φ = 20102315025168.

The previous prime is 20102331203303. The next prime is 20102331203327. The reversal of 20102331203323 is 32330213320102.

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

It is a cyclic number.

It is not a de Polignac number, because 20102331203323 - 2³⁷ = 19964892249851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102331203327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6054690 + ... + 8767207.

It is an arithmetic number, because the mean of its divisors is an integer number (5025586845370).

Almost surely, 2^{20102331203323} is an apocalyptic number.

20102331203323 is a deficient number, since it is larger than the sum of its proper divisors (16178157).

20102331203323 is a wasteful number, since it uses less digits than its factorization.

20102331203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16178156.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20102331203323 its reverse (32330213320102), we get a palindrome (52432544523425).

The spelling of 20102331203323 in words is "twenty trillion, one hundred two billion, three hundred thirty-one million, two hundred three thousand, three hundred twenty-three".