10020011001996 has 12 divisors (see below), whose sum is σ = 23380025671352. Its totient is φ = 3340003667328.

The previous prime is 10020011001989. The next prime is 10020011001997. The reversal of 10020011001996 is 69910011002001.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (10020011001997) 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, 417500458405 + ... + 417500458428.

Almost surely, 2^{10020011001996} is an apocalyptic number.

It is an amenable number.

10020011001996 is an abundant number, since it is smaller than the sum of its proper divisors (13360014669356).

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

10020011001996 is a wasteful number, since it uses less digits than its factorization.

10020011001996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835000916840 (or 835000916838 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 30.

Adding to 10020011001996 its reverse (69910011002001), we get a palindrome (79930022003997).

The spelling of 10020011001996 in words is "ten trillion, twenty billion, eleven million, one thousand, nine hundred ninety-six".