205000101045400 has 48 divisors (see below), whose sum is σ = 476906762732400. Its totient is φ = 81951605527680.

The previous prime is 205000101045379. The next prime is 205000101045449. The reversal of 205000101045400 is 4540101000502.

It is a super-2 number, since 2×205000101045400² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302378620 + ... + 303055819.

It is an arithmetic number, because the mean of its divisors is an integer number (9935557556925).

Almost surely, 2^{205000101045400} is an apocalyptic number.

205000101045400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205000101045400 is an abundant number, since it is smaller than the sum of its proper divisors (271906661687000).

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

205000101045400 is a wasteful number, since it uses less digits than its factorization.

205000101045400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605436148 (or 605436139 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 205000101045400 its reverse (4540101000502), we get a palindrome (209540202045902).

The spelling of 205000101045400 in words is "two hundred five trillion, one hundred one million, forty-five thousand, four hundred".