20122031023 has 8 divisors (see below), whose sum is σ = 20307344400. Its totient is φ = 19936844928.

The previous prime is 20122030969. The next prime is 20122031051. The reversal of 20122031023 is 32013022102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20122031023 - 2²⁵ = 20088476591 is a prime.

It is a super-2 number, since 2×20122031023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122030988 and 20122031006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122031323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301813 + ... + 362401.

It is an arithmetic number, because the mean of its divisors is an integer number (2538418050).

Almost surely, 2^20122031023 is an apocalyptic number.

20122031023 is a deficient number, since it is larger than the sum of its proper divisors (185313377).

20122031023 is a wasteful number, since it uses less digits than its factorization.

20122031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63641.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20122031023 its reverse (32013022102), we get a palindrome (52135053125).

The spelling of 20122031023 in words is "twenty billion, one hundred twenty-two million, thirty-one thousand, twenty-three".