20012122003023 has 24 divisors (see below), whose sum is σ = 30319484443872. Its totient is φ = 12695232135168.

The previous prime is 20012122003001. The next prime is 20012122003057. The reversal of 20012122003023 is 32030022121002.

20012122003023 is a `hidden beast` number, since 20 + 0 + 121 + 220 + 0 + 302 + 3 = 666.

It is not a de Polignac number, because 20012122003023 - 2²⁵ = 20012088448591 is a prime.

It is a super-2 number, since 2×20012122003023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012122002987 and 20012122003005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012122003723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250418386 + ... + 250498287.

It is an arithmetic number, because the mean of its divisors is an integer number (1263311851828).

Almost surely, 2^{20012122003023} is an apocalyptic number.

20012122003023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20012122003023 is a deficient number, since it is larger than the sum of its proper divisors (10307362440849).

20012122003023 is a wasteful number, since it uses less digits than its factorization.

20012122003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500916895 (or 500916892 counting only the distinct ones).

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

Adding to 20012122003023 its reverse (32030022121002), we get a palindrome (52042144124025).

The spelling of 20012122003023 in words is "twenty trillion, twelve billion, one hundred twenty-two million, three thousand, twenty-three".