20020020120111 has 32 divisors (see below), whose sum is σ = 29378533904640. Its totient is φ = 12025641152000.

The previous prime is 20020020120059. The next prime is 20020020120161. The reversal of 20020020120111 is 11102102002002.

It is a cyclic number.

It is not a de Polignac number, because 20020020120111 - 2¹⁵ = 20020020087343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020020120161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249247225 + ... + 249327533.

It is an arithmetic number, because the mean of its divisors is an integer number (918079184520).

Almost surely, 2^{20020020120111} is an apocalyptic number.

20020020120111 is a deficient number, since it is larger than the sum of its proper divisors (9358513784529).

20020020120111 is a wasteful number, since it uses less digits than its factorization.

20020020120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147287.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20020020120111 its reverse (11102102002002), we get a palindrome (31122122122113).

The spelling of 20020020120111 in words is "twenty trillion, twenty billion, twenty million, one hundred twenty thousand, one hundred eleven".