1204538354020 has 12 divisors (see below), whose sum is σ = 2529530543484. Its totient is φ = 481815341600.

The previous prime is 1204538353979. The next prime is 1204538354027. The reversal of 1204538354020 is 204538354021.

It can be written as a sum of positive squares in 2 ways, for example, as 469619642944 + 734918711076 = 685288^2 + 857274^2 .

It is a super-3 number, since 3×1204538354020³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1204538354027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30113458831 + ... + 30113458870.

It is an arithmetic number, because the mean of its divisors is an integer number (210794211957).

Almost surely, 2^{1204538354020} is an apocalyptic number.

1204538354020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204538354020 is an abundant number, since it is smaller than the sum of its proper divisors (1324992189464).

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

1204538354020 is a wasteful number, since it uses less digits than its factorization.

1204538354020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60226917710 (or 60226917708 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Subtracting from 1204538354020 its reverse (204538354021), we obtain a palindrome (999999999999).

The spelling of 1204538354020 in words is "one trillion, two hundred four billion, five hundred thirty-eight million, three hundred fifty-four thousand, twenty".