1200054020 has 48 divisors (see below), whose sum is σ = 2837915136. Its totient is φ = 422304000.

The previous prime is 1200054013. The next prime is 1200054029. The reversal of 1200054020 is 204500021.

It is a junction number, because it is equal to n+sod(n) for n = 1200053986 and 1200054004.

It is not an unprimeable number, because it can be changed into a prime (1200054029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81161 + ... + 94800.

It is an arithmetic number, because the mean of its divisors is an integer number (59123232).

Almost surely, 2^1200054020 is an apocalyptic number.

1200054020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200054020 is an abundant number, since it is smaller than the sum of its proper divisors (1637861116).

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

1200054020 is a wasteful number, since it uses less digits than its factorization.

1200054020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176012 (or 176010 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1200054020 is about 34641.7958541413. The cubic root of 1200054020 is about 1062.6745147255.

Adding to 1200054020 its reverse (204500021), we get a palindrome (1404554041).

The spelling of 1200054020 in words is "one billion, two hundred million, fifty-four thousand, twenty".