11210220420 has 48 divisors (see below), whose sum is σ = 35872706688. Its totient is φ = 2562336000.

The previous prime is 11210220409. The next prime is 11210220467. The reversal of 11210220420 is 2402201211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11210220420.

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, 13345081 + ... + 13345920.

It is an arithmetic number, because the mean of its divisors is an integer number (747348056).

Almost surely, 2^11210220420 is an apocalyptic number.

11210220420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210220420 is an abundant number, since it is smaller than the sum of its proper divisors (24662486268).

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

11210220420 is a wasteful number, since it uses less digits than its factorization.

11210220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26691020 (or 26691018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11210220420 its reverse (2402201211), we get a palindrome (13612421631).

The spelling of 11210220420 in words is "eleven billion, two hundred ten million, two hundred twenty thousand, four hundred twenty".