20020020000001 has 4 divisors (see below), whose sum is σ = 22880022857152. Its totient is φ = 17160017142852.

The previous prime is 20020019999953. The next prime is 20020020000023. The reversal of 20020020000001 is 10000002002002.

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 20020020000001 - 2¹¹ = 20020019997953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 2860002857143 = 20020020000001 / (2 + 0 + 0 + 2 + 0 + 0 + 2 + 0 + 0 + 0 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020020000061) 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, 1430001428565 + ... + 1430001428578.

It is an arithmetic number, because the mean of its divisors is an integer number (5720005714288).

Almost surely, 2^{20020020000001} is an apocalyptic number.

It is an amenable number.

20020020000001 is a deficient number, since it is larger than the sum of its proper divisors (2860002857151).

20020020000001 is an equidigital number, since it uses as much as digits as its factorization.

20020020000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860002857150.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20020020000001 its reverse (10000002002002), we get a palindrome (30020022002003).

The spelling of 20020020000001 in words is "twenty trillion, twenty billion, twenty million, one", and thus it is an aban number and an uban number.