2538667133220 has 48 divisors (see below), whose sum is σ = 7273576537920. Its totient is φ = 661234229376.

The previous prime is 2538667133213. The next prime is 2538667133257. The reversal of 2538667133220 is 223317668352.

It is a self number, because there is not a number n which added to its sum of digits gives 2538667133220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491987175 + ... + 491992334.

It is an arithmetic number, because the mean of its divisors is an integer number (151532844540).

Almost surely, 2^{2538667133220} is an apocalyptic number.

2538667133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538667133220 is an abundant number, since it is smaller than the sum of its proper divisors (4734909404700).

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

2538667133220 is a wasteful number, since it uses less digits than its factorization.

2538667133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983979564 (or 983979562 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 2538667133220 in words is "two trillion, five hundred thirty-eight billion, six hundred sixty-seven million, one hundred thirty-three thousand, two hundred twenty".