20122123032 has 320 divisors, whose sum is σ = 65492634240. Its totient is φ = 5704473600.

The previous prime is 20122123027. The next prime is 20122123039. The reversal of 20122123032 is 23032122102.

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 = 20122122996 and 20122123014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122123039) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 25567743 + ... + 25568529.

It is an arithmetic number, because the mean of its divisors is an integer number (204664482).

Almost surely, 2^20122123032 is an apocalyptic number.

20122123032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122123032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32746317120).

20122123032 is an abundant number, since it is smaller than the sum of its proper divisors (45370511208).

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

20122123032 is a wasteful number, since it uses less digits than its factorization.

20122123032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1031 counting only the distinct ones).

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

Adding to 20122123032 its reverse (23032122102), we get a palindrome (43154245134).

The spelling of 20122123032 in words is "twenty billion, one hundred twenty-two million, one hundred twenty-three thousand, thirty-two".