10200920556544 has 33 divisors (see below), whose sum is σ = 20392083587677. Its totient is φ = 5100409176064.

The previous prime is 10200920556527. The next prime is 10200920556557. The reversal of 10200920556544 is 44565502900201.

The square root of 10200920556544 is 3193888.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1691331462144 + 8509589094400 = 1300512^2 + 2917120^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10200920556544.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 102154512 + ... + 102254320.

Almost surely, 2^{10200920556544} is an apocalyptic number.

10200920556544 is the 3193888-th square number.

It is an amenable number.

10200920556544 is a deficient number, since it is larger than the sum of its proper divisors (10191163031133).

10200920556544 is an frugal number, since it uses more digits than its factorization.

10200920556544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199638 (or 99811 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 10200920556544 in words is "ten trillion, two hundred billion, nine hundred twenty million, five hundred fifty-six thousand, five hundred forty-four".