32120320402 has 4 divisors (see below), whose sum is σ = 48180480606. Its totient is φ = 16060160200.

The previous prime is 32120320381. The next prime is 32120320411. The reversal of 32120320402 is 20402302123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26056739241 + 6063581161 = 161421^2 + 77869^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32120320402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8030080099 + ... + 8030080102.

Almost surely, 2^32120320402 is an apocalyptic number.

32120320402 is a deficient number, since it is larger than the sum of its proper divisors (16060160204).

32120320402 is a wasteful number, since it uses less digits than its factorization.

32120320402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16060160203.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 32120320402 its reverse (20402302123), we get a palindrome (52522622525).

The spelling of 32120320402 in words is "thirty-two billion, one hundred twenty million, three hundred twenty thousand, four hundred two".