1102000420 has 12 divisors (see below), whose sum is σ = 2314200924. Its totient is φ = 440800160.

The previous prime is 1102000397. The next prime is 1102000421. The reversal of 1102000420 is 240002011.

It can be written as a sum of positive squares in 2 ways, for example, as 215032896 + 886967524 = 14664^2 + 29782^2 .

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 = 1102000397 and 1102000406.

It is not an unprimeable number, because it can be changed into a prime (1102000421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27549991 + ... + 27550030.

It is an arithmetic number, because the mean of its divisors is an integer number (192850077).

Almost surely, 2^1102000420 is an apocalyptic number.

1102000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102000420 is an abundant number, since it is smaller than the sum of its proper divisors (1212200504).

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

1102000420 is a wasteful number, since it uses less digits than its factorization.

1102000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55100030 (or 55100028 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1102000420 is about 33196.3916713850. The cubic root of 1102000420 is about 1032.9054922071.

Adding to 1102000420 its reverse (240002011), we get a palindrome (1342002431).

The spelling of 1102000420 in words is "one billion, one hundred two million, four hundred twenty", and thus it is an aban number.