11132220020 has 24 divisors (see below), whose sum is σ = 23526570984. Its totient is φ = 4424524416.

The previous prime is 11132219993. The next prime is 11132220091. The reversal of 11132220020 is 2002223111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55920484 + 11076299536 = 7478^2 + 105244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11132219977 and 11132220004.

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, 1769507 + ... + 1775786.

It is an arithmetic number, because the mean of its divisors is an integer number (980273791).

Almost surely, 2^11132220020 is an apocalyptic number.

11132220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11132220020 is an abundant number, since it is smaller than the sum of its proper divisors (12394350964).

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

11132220020 is a wasteful number, since it uses less digits than its factorization.

11132220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545459 (or 3545457 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11132220020 its reverse (2002223111), we get a palindrome (13134443131).

The spelling of 11132220020 in words is "eleven billion, one hundred thirty-two million, two hundred twenty thousand, twenty".