1092000020 has 24 divisors (see below), whose sum is σ = 2298514344. Its totient is φ = 435787776.

The previous prime is 1091999999. The next prime is 1092000029. The reversal of 1092000020 is 200002901.

It can be written as a sum of positive squares in 4 ways, for example, as 1547536 + 1090452484 = 1244^2 + 33022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1091999959 and 1092000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54389 + ... + 71708.

It is an arithmetic number, because the mean of its divisors is an integer number (95771431).

Almost surely, 2^1092000020 is an apocalyptic number.

1092000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1092000020 is an abundant number, since it is smaller than the sum of its proper divisors (1206514324).

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

1092000020 is a wasteful number, since it uses less digits than its factorization.

1092000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126539 (or 126537 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1092000020 is about 33045.4235863304. The cubic root of 1092000020 is about 1029.7715332023.

Adding to 1092000020 its reverse (200002901), we get a palindrome (1292002921).

The spelling of 1092000020 in words is "one billion, ninety-two million, twenty", and thus it is an aban number and an uban number.