210001020032 has 64 divisors (see below), whose sum is σ = 421423526400. Its totient is φ = 104232960000.

The previous prime is 210001019999. The next prime is 210001020049. The reversal of 210001020032 is 230020100012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 210001019995 and 210001020022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37706144 + ... + 37711712.

It is an arithmetic number, because the mean of its divisors is an integer number (6584742600).

Almost surely, 2^210001020032 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 210001020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210711763200).

210001020032 is an abundant number, since it is smaller than the sum of its proper divisors (211422506368).

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

210001020032 is a wasteful number, since it uses less digits than its factorization.

210001020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685 (or 7673 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 210001020032 its reverse (230020100012), we get a palindrome (440021120044).

The spelling of 210001020032 in words is "two hundred ten billion, one million, twenty thousand, thirty-two".