32070388221 has 24 divisors (see below), whose sum is σ = 46566636480. Its totient is φ = 21268440000.

The previous prime is 32070388219. The next prime is 32070388247. The reversal of 32070388221 is 12288307023.

It is a happy number.

It is not a de Polignac number, because 32070388221 - 2¹ = 32070388219 is a prime.

It is a super-4 number, since 4×32070388221⁴ (a number of 43 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32070388201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1886841 + ... + 1903761.

It is an arithmetic number, because the mean of its divisors is an integer number (1940276520).

Almost surely, 2^32070388221 is an apocalyptic number.

It is an amenable number.

32070388221 is a deficient number, since it is larger than the sum of its proper divisors (14496248259).

32070388221 is a wasteful number, since it uses less digits than its factorization.

32070388221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18017 (or 18014 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 32070388221 in words is "thirty-two billion, seventy million, three hundred eighty-eight thousand, two hundred twenty-one".