32021503442 has 4 divisors (see below), whose sum is σ = 48032255166. Its totient is φ = 16010751720.

The previous prime is 32021503441. The next prime is 32021503447. The reversal of 32021503442 is 24430512023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24430512023 = 31 ⋅788081033.

It can be written as a sum of positive squares in only one way, i.e., 20730528361 + 11290975081 = 143981^2 + 106259^2 .

It is not an unprimeable number, because it can be changed into a prime (32021503441) 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 as a sum of consecutive naturals, namely, 8005375859 + ... + 8005375862.

Almost surely, 2^32021503442 is an apocalyptic number.

32021503442 is a deficient number, since it is larger than the sum of its proper divisors (16010751724).

32021503442 is a wasteful number, since it uses less digits than its factorization.

32021503442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16010751723.

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

The spelling of 32021503442 in words is "thirty-two billion, twenty-one million, five hundred three thousand, four hundred forty-two".