11010020020 has 24 divisors (see below), whose sum is σ = 23170571424. Its totient is φ = 4394573856.

The previous prime is 11010019997. The next prime is 11010020051. The reversal of 11010020020 is 2002001011.

It is a super-3 number, since 3×11010020020³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11010019985 and 11010020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580062 + ... + 598741.

It is an arithmetic number, because the mean of its divisors is an integer number (965440476).

Almost surely, 2^11010020020 is an apocalyptic number.

11010020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010020020 is an abundant number, since it is smaller than the sum of its proper divisors (12160551404).

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

11010020020 is a wasteful number, since it uses less digits than its factorization.

11010020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179279 (or 1179277 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 11010020020 its reverse (2002001011), we get a palindrome (13012021031).

The spelling of 11010020020 in words is "eleven billion, ten million, twenty thousand, twenty".