11200005020 has 24 divisors (see below), whose sum is σ = 24542620704. Its totient is φ = 4285219136.

The previous prime is 11200004971. The next prime is 11200005029. The reversal of 11200005020 is 2050000211.

It is a super-2 number, since 2×11200005020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11200004992 and 11200005010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200005029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12173459 + ... + 12174378.

It is an arithmetic number, because the mean of its divisors is an integer number (1022609196).

Almost surely, 2^11200005020 is an apocalyptic number.

11200005020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200005020 is an abundant number, since it is smaller than the sum of its proper divisors (13342615684).

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

11200005020 is a wasteful number, since it uses less digits than its factorization.

11200005020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24347869 (or 24347867 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

Adding to 11200005020 its reverse (2050000211), we get a palindrome (13250005231).

The spelling of 11200005020 in words is "eleven billion, two hundred million, five thousand, twenty".