20122320121203 has 4 divisors (see below), whose sum is σ = 26829760161608. Its totient is φ = 13414880080800.

The previous prime is 20122320121181. The next prime is 20122320121223. The reversal of 20122320121203 is 30212102322102.

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

It is not a de Polignac number, because 20122320121203 - 2³⁷ = 19984881167731 is a prime.

It is a super-2 number, since 2×20122320121203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122320121203.

It is not an unprimeable number, because it can be changed into a prime (20122320121223) 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, 3353720020198 + ... + 3353720020203.

It is an arithmetic number, because the mean of its divisors is an integer number (6707440040402).

Almost surely, 2^{20122320121203} is an apocalyptic number.

20122320121203 is a deficient number, since it is larger than the sum of its proper divisors (6707440040405).

20122320121203 is an equidigital number, since it uses as much as digits as its factorization.

20122320121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707440040404.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20122320121203 its reverse (30212102322102), we get a palindrome (50334422443305).

The spelling of 20122320121203 in words is "twenty trillion, one hundred twenty-two billion, three hundred twenty million, one hundred twenty-one thousand, two hundred three".