20032200120 has 128 divisors (see below), whose sum is σ = 61307850240. Its totient is φ = 5234511360.

The previous prime is 20032200113. The next prime is 20032200161. The reversal of 20032200120 is 2100223002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20032200096 and 20032200105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6937317 + ... + 6940203.

It is an arithmetic number, because the mean of its divisors is an integer number (478967580).

Almost surely, 2^20032200120 is an apocalyptic number.

20032200120 is a gapful number since it is divisible by the number (20) 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 20032200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30653925120).

20032200120 is an abundant number, since it is smaller than the sum of its proper divisors (41275650120).

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

20032200120 is a wasteful number, since it uses less digits than its factorization.

20032200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4041 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20032200120 its reverse (2100223002), we get a palindrome (22132423122).

The spelling of 20032200120 in words is "twenty billion, thirty-two million, two hundred thousand, one hundred twenty".