11110420 has 12 divisors (see below), whose sum is σ = 23331924. Its totient is φ = 4444160.

The previous prime is 11110417. The next prime is 11110423. The reversal of 11110420 is 2401111.

It is an interprime number because it is at equal distance from previous prime (11110417) and next prime (11110423).

It can be written as a sum of positive squares in 2 ways, for example, as 7739524 + 3370896 = 2782^2 + 1836^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11110397 and 11110406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277741 + ... + 277780.

It is an arithmetic number, because the mean of its divisors is an integer number (1944327).

Almost surely, 2^11110420 is an apocalyptic number.

11110420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110420 is an abundant number, since it is smaller than the sum of its proper divisors (12221504).

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

11110420 is a wasteful number, since it uses less digits than its factorization.

11110420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555530 (or 555528 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11110420 is about 3333.2296650546. The cubic root of 11110420 is about 223.1396900726.

Adding to 11110420 its reverse (2401111), we get a palindrome (13511531).

The spelling of 11110420 in words is "eleven million, one hundred ten thousand, four hundred twenty".