20122112032 has 96 divisors (see below), whose sum is σ = 45943329600. Its totient is φ = 8578944000.

The previous prime is 20122112009. The next prime is 20122112053. The reversal of 20122112032 is 23021122102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20122111997 and 20122112015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660594 + ... + 690382.

It is an arithmetic number, because the mean of its divisors is an integer number (478576350).

Almost surely, 2^20122112032 is an apocalyptic number.

20122112032 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 20122112032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22971664800).

20122112032 is an abundant number, since it is smaller than the sum of its proper divisors (25821217568).

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

20122112032 is a wasteful number, since it uses less digits than its factorization.

20122112032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29930 (or 29922 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20122112032 its reverse (23021122102), we get a palindrome (43143234134).

The spelling of 20122112032 in words is "twenty billion, one hundred twenty-two million, one hundred twelve thousand, thirty-two".