20203132122 has 12 divisors (see below), whose sum is σ = 43773452970. Its totient is φ = 6734377368.

The previous prime is 20203132097. The next prime is 20203132153. The reversal of 20203132122 is 22123130202.

20203132122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 20031023961 + 172108161 = 141531^2 + 13119^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1122396229 = 20203132122 / (2 + 0 + 2 + 0 + 3 + 1 + 3 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20203132095 and 20203132104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561198097 + ... + 561198132.

Almost surely, 2^20203132122 is an apocalyptic number.

20203132122 is an abundant number, since it is smaller than the sum of its proper divisors (23570320848).

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

20203132122 is a wasteful number, since it uses less digits than its factorization.

20203132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122396237 (or 1122396234 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20203132122 its reverse (22123130202), we get a palindrome (42326262324).

The spelling of 20203132122 in words is "twenty billion, two hundred three million, one hundred thirty-two thousand, one hundred twenty-two".