20123312022 has 24 divisors (see below), whose sum is σ = 47564192520. Its totient is φ = 6097973280.

The previous prime is 20123312003. The next prime is 20123312089. The reversal of 20123312022 is 22021332102.

20123312022 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20123311986 and 20123312004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50816247 + ... + 50816642.

It is an arithmetic number, because the mean of its divisors is an integer number (1981841355).

Almost surely, 2^20123312022 is an apocalyptic number.

20123312022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20123312022 is an abundant number, since it is smaller than the sum of its proper divisors (27440880498).

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

20123312022 is a wasteful number, since it uses less digits than its factorization.

20123312022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101632908 (or 101632905 counting only the distinct ones).

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

Adding to 20123312022 its reverse (22021332102), we get a palindrome (42144644124).

The spelling of 20123312022 in words is "twenty billion, one hundred twenty-three million, three hundred twelve thousand, twenty-two".