32021304140 has 24 divisors (see below), whose sum is σ = 76851130272. Its totient is φ = 10978732800.

The previous prime is 32021304103. The next prime is 32021304151. The reversal of 32021304140 is 4140312023.

It is a super-2 number, since 2×32021304140² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 114361661 + ... + 114361940.

It is an arithmetic number, because the mean of its divisors is an integer number (3202130428).

Almost surely, 2^32021304140 is an apocalyptic number.

It is an amenable number.

32021304140 is an abundant number, since it is smaller than the sum of its proper divisors (44829826132).

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

32021304140 is a wasteful number, since it uses less digits than its factorization.

32021304140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228723617 (or 228723615 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 32021304140 its reverse (4140312023), we get a palindrome (36161616163).

The spelling of 32021304140 in words is "thirty-two billion, twenty-one million, three hundred four thousand, one hundred forty".