32196687420 has 96 divisors (see below), whose sum is σ = 93107589120. Its totient is φ = 8304468480.

The previous prime is 32196687409. The next prime is 32196687427. The reversal of 32196687420 is 2478669123.

It is a self number, because there is not a number n which added to its sum of digits gives 32196687420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32196687427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5072769 + ... + 5079111.

It is an arithmetic number, because the mean of its divisors is an integer number (969870720).

Almost surely, 2^32196687420 is an apocalyptic number.

32196687420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32196687420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46553794560).

32196687420 is an abundant number, since it is smaller than the sum of its proper divisors (60910901700).

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

32196687420 is a wasteful number, since it uses less digits than its factorization.

32196687420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115 (or 9113 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 32196687420 in words is "thirty-two billion, one hundred ninety-six million, six hundred eighty-seven thousand, four hundred twenty".