20020012012201 has 4 divisors (see below), whose sum is σ = 20021173350400. Its totient is φ = 20018850674004.

The previous prime is 20020012012163. The next prime is 20020012012219. The reversal of 20020012012201 is 10221021002002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20020012012201 - 2⁷ = 20020012012073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020012012261) 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, 580643241 + ... + 580677718.

It is an arithmetic number, because the mean of its divisors is an integer number (5005293337600).

Almost surely, 2^{20020012012201} is an apocalyptic number.

It is an amenable number.

20020012012201 is a deficient number, since it is larger than the sum of its proper divisors (1161338199).

20020012012201 is a wasteful number, since it uses less digits than its factorization.

20020012012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161338198.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20020012012201 its reverse (10221021002002), we get a palindrome (30241033014203).

The spelling of 20020012012201 in words is "twenty trillion, twenty billion, twelve million, twelve thousand, two hundred one".