32220130987 has 24 divisors (see below), whose sum is σ = 36202807872. Its totient is φ = 28437933600.

The previous prime is 32220130963. The next prime is 32220130993. The reversal of 32220130987 is 78903102223.

It is not a de Polignac number, because 32220130987 - 2¹⁵ = 32220098219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (32220130907) by changing a digit.

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, 7873812 + ... + 7877902.

It is an arithmetic number, because the mean of its divisors is an integer number (1508450328).

Almost surely, 2^32220130987 is an apocalyptic number.

32220130987 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

32220130987 is a deficient number, since it is larger than the sum of its proper divisors (3982676885).

32220130987 is a wasteful number, since it uses less digits than its factorization.

32220130987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 32220130987 in words is "thirty-two billion, two hundred twenty million, one hundred thirty thousand, nine hundred eighty-seven".