20122122310203 has 32 divisors (see below), whose sum is σ = 27840336745536. Its totient is φ = 12916862926848.

The previous prime is 20122122310201. The next prime is 20122122310223. The reversal of 20122122310203 is 30201322122102.

It is not a de Polignac number, because 20122122310203 - 2¹ = 20122122310201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20122122310203.

It is not an unprimeable number, because it can be changed into a prime (20122122310201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223402525 + ... + 223492577.

It is an arithmetic number, because the mean of its divisors is an integer number (870010523298).

Almost surely, 2^{20122122310203} is an apocalyptic number.

20122122310203 is a deficient number, since it is larger than the sum of its proper divisors (7718214435333).

20122122310203 is a wasteful number, since it uses less digits than its factorization.

20122122310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110943.

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

Adding to 20122122310203 its reverse (30201322122102), we get a palindrome (50323444432305).

The spelling of 20122122310203 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, three hundred ten thousand, two hundred three".