20020020010111 has 8 divisors (see below), whose sum is σ = 21846179193984. Its totient is φ = 18194887053720.

The previous prime is 20020020010061. The next prime is 20020020010121. The reversal of 20020020010111 is 11101002002002.

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 20020020010111 - 2¹¹ = 20020020008063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020020010121) 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, 256516075 + ... + 256594108.

It is an arithmetic number, because the mean of its divisors is an integer number (2730772399248).

Almost surely, 2^{20020020010111} is an apocalyptic number.

20020020010111 is a deficient number, since it is larger than the sum of its proper divisors (1826159183873).

20020020010111 is a wasteful number, since it uses less digits than its factorization.

20020020010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513113741.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20020020010111 its reverse (11101002002002), we get a palindrome (31121022012113).

The spelling of 20020020010111 in words is "twenty trillion, twenty billion, twenty million, ten thousand, one hundred eleven".