32220131004 has 72 divisors (see below), whose sum is σ = 81773116880. Its totient is φ = 10696914432.

The previous prime is 32220130993. The next prime is 32220131023. The reversal of 32220131004 is 40013102223.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 11518134 + ... + 11520930.

Almost surely, 2^32220131004 is an apocalyptic number.

It is an amenable number.

32220131004 is an abundant number, since it is smaller than the sum of its proper divisors (49552985876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32220131004 is a wasteful number, since it uses less digits than its factorization.

32220131004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979 (or 3974 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 32220131004 its reverse (40013102223), we get a palindrome (72233233227).

The spelling of 32220131004 in words is "thirty-two billion, two hundred twenty million, one hundred thirty-one thousand, four".