20231132022 has 80 divisors (see below), whose sum is σ = 47562920064. Its totient is φ = 6419088000.

The previous prime is 20231132021. The next prime is 20231132023. The reversal of 20231132022 is 22023113202.

It is an interprime number because it is at equal distance from previous prime (20231132021) and next prime (20231132023).

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 = 20231131986 and 20231132004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231132021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 273322 + ... + 339362.

Almost surely, 2^20231132022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20231132022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23781460032).

20231132022 is an abundant number, since it is smaller than the sum of its proper divisors (27331788042).

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

20231132022 is a wasteful number, since it uses less digits than its factorization.

20231132022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66147 (or 66138 counting only the distinct ones).

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

Adding to 20231132022 its reverse (22023113202), we get a palindrome (42254245224).

It can be divided in two parts, 2023113202 and 2, that multiplied together give a palindrome (4046226404).

The spelling of 20231132022 in words is "twenty billion, two hundred thirty-one million, one hundred thirty-two thousand, twenty-two".