20110050020020 has 48 divisors (see below), whose sum is σ = 42259278933648. Its totient is φ = 8038654525440.

The previous prime is 20110050020009. The next prime is 20110050020041. The reversal of 20110050020020 is 2002005001102.

It can be written as a sum of positive squares in 8 ways, for example, as 1654382467984 + 18455667552036 = 1286228^2 + 4296006^2 .

It is a super-2 number, since 2×20110050020020² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427913644 + ... + 427960636.

It is an arithmetic number, because the mean of its divisors is an integer number (880401644451).

Almost surely, 2^{20110050020020} is an apocalyptic number.

20110050020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110050020020 is an abundant number, since it is smaller than the sum of its proper divisors (22149228913628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110050020020 is a wasteful number, since it uses less digits than its factorization.

20110050020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60820 (or 60818 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

Adding to 20110050020020 its reverse (2002005001102), we get a palindrome (22112055021122).

The spelling of 20110050020020 in words is "twenty trillion, one hundred ten billion, fifty million, twenty thousand, twenty".