32020321445 has 32 divisors (see below), whose sum is σ = 46294695936. Its totient is φ = 20796379200.

The previous prime is 32020321433. The next prime is 32020321451. The reversal of 32020321445 is 54412302023.

It is not a de Polignac number, because 32020321445 - 2⁸ = 32020321189 is a prime.

It is a super-2 number, since 2×32020321445² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 262961 + ... + 364950.

It is an arithmetic number, because the mean of its divisors is an integer number (1446709248).

Almost surely, 2^32020321445 is an apocalyptic number.

32020321445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32020321445 is a deficient number, since it is larger than the sum of its proper divisors (14274374491).

32020321445 is a wasteful number, since it uses less digits than its factorization.

32020321445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628001.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 32020321445 its reverse (54412302023), we get a palindrome (86432623468).

The spelling of 32020321445 in words is "thirty-two billion, twenty million, three hundred twenty-one thousand, four hundred forty-five".