1101230020 has 48 divisors (see below), whose sum is σ = 2526588288. Its totient is φ = 399848960.

The previous prime is 1101230003. The next prime is 1101230047. The reversal of 1101230020 is 200321011.

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 = 1101229979 and 1101230006.

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, 160092 + ... + 166828.

It is an arithmetic number, because the mean of its divisors is an integer number (52637256).

Almost surely, 2^1101230020 is an apocalyptic number.

1101230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101230020 is an abundant number, since it is smaller than the sum of its proper divisors (1425358268).

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

1101230020 is a wasteful number, since it uses less digits than its factorization.

1101230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500 (or 7498 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1101230020 is about 33184.7859718878. The cubic root of 1101230020 is about 1032.6647373389.

Adding to 1101230020 its reverse (200321011), we get a palindrome (1301551031).

Subtracting from 1101230020 its reverse (200321011), we obtain a palindrome (900909009).

The spelling of 1101230020 in words is "one billion, one hundred one million, two hundred thirty thousand, twenty".