32020020120 has 128 divisors (see below), whose sum is σ = 105336599040. Its totient is φ = 7722147840.

The previous prime is 32020020061. The next prime is 32020020127. The reversal of 32020020120 is 2102002023.

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 = 32020020096 and 32020020105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020020127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191917 + ... + 317603.

It is an arithmetic number, because the mean of its divisors is an integer number (822942180).

Almost surely, 2^32020020120 is an apocalyptic number.

32020020120 is a gapful number since it is divisible by the number (30) 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 32020020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52668299520).

32020020120 is an abundant number, since it is smaller than the sum of its proper divisors (73316578920).

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

32020020120 is a wasteful number, since it uses less digits than its factorization.

32020020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125905 (or 125901 counting only the distinct ones).

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

Adding to 32020020120 its reverse (2102002023), we get a palindrome (34122022143).

The spelling of 32020020120 in words is "thirty-two billion, twenty million, twenty thousand, one hundred twenty".