20021201002032 has 20 divisors (see below), whose sum is σ = 51721435922040. Its totient is φ = 6673733667328.

The previous prime is 20021201002031. The next prime is 20021201002081. The reversal of 20021201002032 is 23020010212002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20021201002031) 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, 208554177057 + ... + 208554177152.

It is an arithmetic number, because the mean of its divisors is an integer number (2586071796102).

Almost surely, 2^{20021201002032} is an apocalyptic number.

It is an amenable number.

20021201002032 is an abundant number, since it is smaller than the sum of its proper divisors (31700234920008).

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

20021201002032 is a wasteful number, since it uses less digits than its factorization.

20021201002032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417108354220 (or 417108354214 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20021201002032 its reverse (23020010212002), we get a palindrome (43041211214034).

The spelling of 20021201002032 in words is "twenty trillion, twenty-one billion, two hundred one million, two thousand, thirty-two".