32130320208 has 80 divisors (see below), whose sum is σ = 95008204800. Its totient is φ = 9165840768.

The previous prime is 32130320203. The next prime is 32130320213. The reversal of 32130320208 is 80202303123.

It is an interprime number because it is at equal distance from previous prime (32130320203) and next prime (32130320213).

It is a super-2 number, since 2×32130320208² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130320203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143493 + ... + 291291.

It is an arithmetic number, because the mean of its divisors is an integer number (1187602560).

Almost surely, 2^32130320208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32130320208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47504102400).

32130320208 is an abundant number, since it is smaller than the sum of its proper divisors (62877884592).

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

32130320208 is a wasteful number, since it uses less digits than its factorization.

32130320208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148464 (or 148458 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 32130320208 in words is "thirty-two billion, one hundred thirty million, three hundred twenty thousand, two hundred eight".