32003120220 has 24 divisors (see below), whose sum is σ = 89608736784. Its totient is φ = 8534165376.

The previous prime is 32003120179. The next prime is 32003120249. The reversal of 32003120220 is 2202130023.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32003120220.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 266692609 + ... + 266692728.

It is an arithmetic number, because the mean of its divisors is an integer number (3733697366).

Almost surely, 2^32003120220 is an apocalyptic number.

32003120220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32003120220 is an abundant number, since it is smaller than the sum of its proper divisors (57605616564).

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

32003120220 is a wasteful number, since it uses less digits than its factorization.

32003120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533385349 (or 533385347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 32003120220 its reverse (2202130023), we get a palindrome (34205250243).

The spelling of 32003120220 in words is "thirty-two billion, three million, one hundred twenty thousand, two hundred twenty".