1206336020 has 24 divisors (see below), whose sum is σ = 2555729064. Its totient is φ = 478263296.

The previous prime is 1206336013. The next prime is 1206336037. The reversal of 1206336020 is 206336021.

It can be written as a sum of positive squares in 4 ways, for example, as 77510416 + 1128825604 = 8804^2 + 33598^2 .

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, 264629 + ... + 269148.

It is an arithmetic number, because the mean of its divisors is an integer number (106488711).

Almost surely, 2^1206336020 is an apocalyptic number.

1206336020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206336020 is an abundant number, since it is smaller than the sum of its proper divisors (1349393044).

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

1206336020 is a wasteful number, since it uses less digits than its factorization.

1206336020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533899 (or 533897 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1206336020 is about 34732.3483225652. The cubic root of 1206336020 is about 1064.5255720779.

Subtracting from 1206336020 its reverse (206336021), we obtain a palindrome (999999999).

The spelling of 1206336020 in words is "one billion, two hundred six million, three hundred thirty-six thousand, twenty".