1110040020 has 36 divisors (see below), whose sum is σ = 3367121940. Its totient is φ = 296010624.

The previous prime is 1110040013. The next prime is 1110040093. The reversal of 1110040020 is 200400111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 873557136 + 236482884 = 29556^2 + 15378^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1110040020³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1110039984 and 1110040011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3083265 + ... + 3083624.

It is an arithmetic number, because the mean of its divisors is an integer number (93531165).

Almost surely, 2^1110040020 is an apocalyptic number.

1110040020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110040020 is an abundant number, since it is smaller than the sum of its proper divisors (2257081920).

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

1110040020 is a wasteful number, since it uses less digits than its factorization.

1110040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166904 (or 6166899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1110040020 is about 33317.2630928772. The cubic root of 1110040020 is about 1035.4112487404.

Adding to 1110040020 its reverse (200400111), we get a palindrome (1310440131).

The spelling of 1110040020 in words is "one billion, one hundred ten million, forty thousand, twenty".