1110000020 has 24 divisors (see below), whose sum is σ = 2332024800. Its totient is φ = 443804832.

The previous prime is 1110000019. The next prime is 1110000049. The reversal of 1110000020 is 200000111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 1109999959 and 1110000013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39851 + ... + 61709.

It is an arithmetic number, because the mean of its divisors is an integer number (97167700).

Almost surely, 2^1110000020 is an apocalyptic number.

1110000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110000020 is an abundant number, since it is smaller than the sum of its proper divisors (1222024780).

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

1110000020 is a wasteful number, since it uses less digits than its factorization.

1110000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24407 (or 24405 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1110000020 is about 33316.6627980655. The cubic root of 1110000020 is about 1035.3988116670.

Adding to 1110000020 its reverse (200000111), we get a palindrome (1310000131).

Subtracting from 1110000020 its reverse (200000111), we obtain a palindrome (909999909).

The spelling of 1110000020 in words is "one billion, one hundred ten million, twenty", and thus it is an aban number.