20013321014032 has 80 divisors (see below), whose sum is σ = 41710249806192. Its totient is φ = 9268688977920.

The previous prime is 20013321014023. The next prime is 20013321014081. The reversal of 20013321014032 is 23041012331002.

It can be written as a sum of positive squares in 8 ways, for example, as 3173656738576 + 16839664275456 = 1781476^2 + 4103616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20013321013994 and 20013321014012.

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, 7971432 + ... + 10176952.

Almost surely, 2^{20013321014032} 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 20013321014032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20855124903096).

20013321014032 is an abundant number, since it is smaller than the sum of its proper divisors (21696928792160).

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

20013321014032 is a wasteful number, since it uses less digits than its factorization.

20013321014032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206076 (or 2206070 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20013321014032 its reverse (23041012331002), we get a palindrome (43054333345034).

The spelling of 20013321014032 in words is "twenty trillion, thirteen billion, three hundred twenty-one million, fourteen thousand, thirty-two".