20020020001121 has 8 divisors (see below), whose sum is σ = 22880451742464. Its totient is φ = 17159695480800.

The previous prime is 20020020001117. The next prime is 20020020001153. The reversal of 20020020001121 is 12110002002002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20020020001121 - 2² = 20020020001117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020020001181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26404745 + ... + 27152358.

It is an arithmetic number, because the mean of its divisors is an integer number (2860056467808).

Almost surely, 2^{20020020001121} is an apocalyptic number.

It is an amenable number.

20020020001121 is a deficient number, since it is larger than the sum of its proper divisors (2860431741343).

20020020001121 is an equidigital number, since it uses as much as digits as its factorization.

20020020001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53610511.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020020001121 its reverse (12110002002002), we get a palindrome (32130022003123).

The spelling of 20020020001121 in words is "twenty trillion, twenty billion, twenty million, one thousand, one hundred twenty-one".