32130002220 has 48 divisors (see below), whose sum is σ = 90360361728. Its totient is φ = 8530252480.

The previous prime is 32130002213. The next prime is 32130002287. The reversal of 32130002220 is 2220003123.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32130002220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165896 + ... + 1193135.

It is an arithmetic number, because the mean of its divisors is an integer number (1882507536).

Almost surely, 2^32130002220 is an apocalyptic number.

32130002220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32130002220 is an abundant number, since it is smaller than the sum of its proper divisors (58230359508).

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

32130002220 is a wasteful number, since it uses less digits than its factorization.

32130002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359270 (or 2359268 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 32130002220 its reverse (2220003123), we get a palindrome (34350005343).

The spelling of 32130002220 in words is "thirty-two billion, one hundred thirty million, two thousand, two hundred twenty".