11213200020 has 96 divisors (see below), whose sum is σ = 35177014656. Its totient is φ = 2644876800.

The previous prime is 11213199989. The next prime is 11213200049. The reversal of 11213200020 is 2000231211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11213199969 and 11213200005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205171 + ... + 254010.

It is an arithmetic number, because the mean of its divisors is an integer number (366427236).

Almost surely, 2^11213200020 is an apocalyptic number.

11213200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213200020 is an abundant number, since it is smaller than the sum of its proper divisors (23963814636).

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

11213200020 is a wasteful number, since it uses less digits than its factorization.

11213200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459241 (or 459239 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11213200020 its reverse (2000231211), we get a palindrome (13213431231).

The spelling of 11213200020 in words is "eleven billion, two hundred thirteen million, two hundred thousand, twenty".