32001100420 has 12 divisors (see below), whose sum is σ = 67202310924. Its totient is φ = 12800440160.

The previous prime is 32001100403. The next prime is 32001100423. The reversal of 32001100420 is 2400110023.

It can be written as a sum of positive squares in 2 ways, for example, as 8358347776 + 23642752644 = 91424^2 + 153762^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32001100420.

It is not an unprimeable number, because it can be changed into a prime (32001100423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800027491 + ... + 800027530.

It is an arithmetic number, because the mean of its divisors is an integer number (5600192577).

Almost surely, 2^32001100420 is an apocalyptic number.

It is an amenable number.

32001100420 is an abundant number, since it is smaller than the sum of its proper divisors (35201210504).

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

32001100420 is a wasteful number, since it uses less digits than its factorization.

32001100420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600055030 (or 1600055028 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 32001100420 its reverse (2400110023), we get a palindrome (34401210443).

The spelling of 32001100420 in words is "thirty-two billion, one million, one hundred thousand, four hundred twenty".