32120304442 has 4 divisors (see below), whose sum is σ = 48180456666. Its totient is φ = 16060152220.

The previous prime is 32120304421. The next prime is 32120304457. The reversal of 32120304442 is 24440302123.

It is a happy number.

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., 26846494801 + 5273809641 = 163849^2 + 72621^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8030076109 + ... + 8030076112.

Almost surely, 2^32120304442 is an apocalyptic number.

32120304442 is a deficient number, since it is larger than the sum of its proper divisors (16060152224).

32120304442 is a wasteful number, since it uses less digits than its factorization.

32120304442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060152223.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 32120304442 its reverse (24440302123), we get a palindrome (56560606565).

The spelling of 32120304442 in words is "thirty-two billion, one hundred twenty million, three hundred four thousand, four hundred forty-two".